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Thomas SAF-T-LINER HDX Operator's Manual
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Thomas SAF-T-LINER HDX Operator's Manual

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Summary of Contents for Thomas SAF-T-LINER HDX

  • Page 1 -T-L ® INER PERATOR ANUAL...
  • Page 2 20590, or call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov, in addition to notifying THOMAS BUILT BUSES, INC. If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign.

  • Page 3: Table Of Contents

    ABLE ONTENTS ECTION ..........1 NTRODUCTION EPA E .
  • Page 4 INER ® -T-L HDX O PERATOR ANUAL Page ii...

  • Page 5: Introduction

    NTRODUCTION PERATOR & U ENERAL NFORMATION AZARD LERT YPES Service literature includes a new type of hazard alert: under CAUTION. The use of DANGER and the NOTICE. This new hazard type allows a WARNING hazard alerts are the same as before. For distinction between potential injury, and property or more information, see each definition below.
  • Page 6 NOTICE violate this compliance. Your Thomas Built Bus has been manufactured in Thomas Built Buses will not be responsible for any strict compliance with all the applicable Federal change or modification occurring to the coach after its Motor Vehicle Safety Standards (FMVSS) and...
  • Page 7 NTRODUCTION EHICLE ODIFICATION ISCLAIMER OLICY Thomas Built Buses, Inc. is not responsible for any • Any component alteration that affects any direct or indirect consequence of any modification or FMVSS certification, alteration made to its products by anyone other than •...
  • Page 8 GAWR Front, GAWR Rear, GVWR, Tire Data, VIN, Vehicle Type, Body ID, and Capacity. Whenever contact is made with a dealer, authorized service agent, or Thomas Built Buses concerning warranty, parts, or service, the following numbers must be given to identify the unit; the three sets of numbers are: 1.
  • Page 9 NTRODUCTION ABEL ESCRIPTION AME OF ANUFACTURER (XX/XXXX) IGIT MONTH AND DIGIT YEAR OF MANUFACTURER TART XAMPLE INC VEH MFD BY: ( ). (I CHASSIS ANUFACTURER NCLUDED ONLY WHEN UNIT IS BUILT IN TWO OR MORE STAGES CFR 44 S . 564.5) INC VEH MANUFACTURED: E (XX/XXXX) IGIT...
  • Page 10 PERATOR ANUAL OACH OADING he Thomas coach is designed to provide excellent Coach warranty is void on any vehicle which has service if not loaded in excess of either the Gross been subject to misuse. Overloading the vehicle is Vehicle Weight Rating (GVWR) or the maximum front misuse.

  • Page 11: Epa Exhaust Ystem

    To meet EPA guidelines, diesel engines installed in DANGER Thomas Built Buses, Inc. chassis for domicile in Canada and the USA use an Aftertreatment System Active regeneration can occur automatically any (ATS) with an Aftertreatment Device (ATD) and time the vehicle is moving.
  • Page 12 INER ® -T-L HDX O PERATOR ANUAL CONT (ATS) P FTERTREATMENT YSTEM RINCIPLES OF PERATION UMMINS After the exhaust stream passes through the ATD, it through the SCR device, where the ammonia gas flows through another canister housing, the SCR reacts with the NOx in the exhaust, to produce device.
  • Page 13 EPA13 E XHAUST YSTEM CONT ATS P ARKED EGENERATION The regen-inhibit switch (optional when available) Set the parking brake. If the parking brake was provides additional control over the aftertreatment already set, you must release it, then set it regeneration process. Depressing the regen-inhibit again.
  • Page 14 INER ® -T-L HDX O PERATOR ANUAL ATS D (DPF) M IESEL ARTICULATE ILTER AINTENANCE Eventually ash will accumulate in the DPF and the • date of cleaning or replacement; filter will require servicing. DPF servicing must be • vehicle mileage; performed by an authorized technician, following the •...
  • Page 15 EPA13 E XHAUST YSTEM / DEF G AUGE The DEF levels are measured by a gauge consisting • Between 10% and 25% full, one bar is of a four segment LED bar graph. illuminated green. Figure 8 • Between 75% and 100% full, four bars are illuminated green.
  • Page 16 INER ® -T-L HDX O PERATOR ANUAL DEF W ARNINGS AND NGINE ERATES There are safety controls that warn the driver and derate the engine when the DEF level registers below 10%, or if the DEF tank is contaminated. NOTICE Under no circumstances will the engine be suddenly shutdown due to running the vehicle out of DEF, or putting the improper fluid in the DEF...
  • Page 17 EPA13 E XHAUST YSTEM CONT DEF W ARNINGS AND NGINE ERATES DEF T —W ANK IS MPTY ARNING AND INOR NGINE ERATE When the DEF tank registers empty, the DEF Low Level Lamp illuminates, and one bar of the DEF-level lightbar flashes red.
  • Page 18 INER ® -T-L HDX O PERATOR ANUAL XHAUST YSTEM NSPECTING OISE MISSION ONTROL The exhaust system must be free of leaks, binding, These conditions are usually caused by loose, broken, grounding, and excessive vibrations. In addition to or misaligned clamps, brackets, or pipes. inspecting the exhaust system at the scheduled maintenance interval, inspect the exhaust system if the noise level of the vehicle has increased.
  • Page 19 EPA13 E XHAUST YSTEM NSPECTION 7. Check the DPF exterior surface for dents or other damage. A dent over 3 inches (76 mm) in diameter NOTICE and 1/4-inch (6-mm) deep could cause internal The Environmental Protection Agency’s 2010 damage to the DPF, causing it to malfunction. regulations mandate lowered exhaust emissions, 8.
  • Page 20 INER ® -T-L HDX O PERATOR ANUAL CONT NSPECTION 1 - C ATD S IGURE UMMINS ENSOR OCATIONS DOC I NLET EMPERATURE ENSOR OSER NTERFACE DOC O SCR I UTLET EMPERATURE ENSOR NLET EMPERATURE ENSOR DPF O SCR T UTLET EMPERATURE ENSOR EMPERATURE...
  • Page 21 4. Check the ATD mounting bands for tightness. instructions, or take the vehicle to an authorized Tighten to 30 lbf-ft (41 M-m) if needed. Do not Freightliner or Thomas Built Bus service facility for overtighten. repair. 5. Check for leaks around the clamps that attach the ATD in the ATS, and around the clamps that retain 1.
  • Page 22 INER ® -T-L HDX O PERATOR ANUAL CONT NSPECTION 6. Check all sensors attached to the ATD for leaks or 8. Check for heat discoloration on the surface of the damaged wires. No leaks are allowed. ATD. Heat discoloration may indicate internal 7.
  • Page 23 Thomas Built Buses dealer, an independent outlet, or the vehicle owner or operator. The vehicle owner is responsible for determining the suitability of replacement components to maintain compliance with federal and local jurisdictional regulations.
  • Page 24 Criteria Pollutant Standards and Greenhouse Gas Emissions/Fuel Consumption Standards Model year 2007 and later vehicles and/or engines domiciled in the U.S. or Canada are designed to meet Emission and Fuel Efficiency Standards of the U.S. (Federal) Environmental Protection Agency (EPA), the National Highway Traffic Safety Administration (NHTSA), Emission Regulations under the Canada Motor Vehicle Safety Act in Canada, and the California Air Resources Board (CARB) effective as per the applicable emission model year.
  • Page 25 PERATOR OMPARTMENT This section provides the operator with important It is important to carefully read and understand the operational and general information. The following following pages before operating the coach. A proper divides the Operator's Compartment into four major understanding of component location, function, and parts.
  • Page 26 INER ® -T-L HDX O PERATOR ANUAL ATD M ANUAL EGEN WITCH PTIONAL The DPF Regen Switch located on the dash, may have three selectable positions: • Request Regeneration • Default (can include appropriate normal state condition, either in an automatic regeneration or inhibit state.
  • Page 27 PERATOR OMPARTMENT UTOMATIC HAIN WITCH PTIONAL The switch is dash-mounted and when activated, provides traction and braking in all weather conditions. , ON-OFF (O NEELING WITCH PTIONAL Activated by the coach operator to lower curb side of bus for easy access by expelling air from the front air bags.
  • Page 28 INER ® -T-L HDX O PERATOR ANUAL HEEL Illuminates when the ABS goes into Automatic Traction Control. ANEL IMMER WITCH Enables the driver to dim or brighten the light on the dash panel by sliding the button to the desired brightness.
  • Page 29 PERATOR OMPARTMENT EADLIGHT WITCH The headlight switch is a three position switch that controls the main lighting circuit. Position 1 paddle in lower position (completely in) is the OFF position. Position 2 center (first click) energizes the parking lights, tail lights, marker/clearance lights, instrument and panel lights.
  • Page 30 INER ® -T-L HDX O PERATOR ANUAL 3000 PTV T RANSMISSION HIFTER WITH PTIONAL RANSMISSION USHBUTTON are not taken. Do not allow the vehicle to coast in Neutral. When *(D) Drive is selected, the transmission will initially engage the lowest gear programmed for the (D) Drive position, usually (1) First gear.
  • Page 31 PERATOR OMPARTMENT 3000 PTV T RANSMISSION HIFTER WITH PTIONAL RANSMISSION USHBUTTON CONT NOTICE *(R) Reverse or (D) Drive position may be prevented when a damaging or undesirable range engagement would occur due to a vehicle logic or engine speed condition. more information, refer...
  • Page 32 INER ® -T-L HDX O PERATOR ANUAL 2500 PTS T RANSMISSION HIFTER WITH PTIONAL RANSMISSION EVER parking brake and turn off the ignition, even momentarily. Never leave the vehicle unattended while the engine is running. Unexpected sudden vehicle movement may occur if these precautions are not taken.
  • Page 33 PERATOR OMPARTMENT EPA10 I NSTRUMENT LUSTER IESEL ACHOMETER PTIONAL IGHT IGNAL AINTENANCE ASTEN ARNING (MPH & M IGNAL PEEDOMETER ETRIC & G XHAUST YSTEM EMPERATURE RANSMISSION NDICATOR AUGE HECK NGINE AINTENANCE & G NGINE OOLANT NDICATOR AUGE ALFUNCTION NDICATOR RUISE ONTROL APG (A RANSMISSION...
  • Page 34 INER ® -T-L HDX O PERATOR ANUAL CONT EPA10 I NSTRUMENT LUSTER Tachometer - Indicates engine speed in 12. A.B.S. Warning - The warning lamp blinks once, revolutions per minute (rpm). then goes OFF and stays OFF, unless the Maintenance Intervals Indicator (Yellow) - Will system detects a problem.
  • Page 35 PERATOR OMPARTMENT CONT EPA10 I NSTRUMENT LUSTER 22. High Coolant Temperature Gauge (Red) - The 27. Diesel Exhaust Fluid (DEF) Gauge - Refer to warning light (thermometer icon) and emergency EPA10 Exhaust System section for operation. buzzer activate whenever coolant 28.
  • Page 36 INER ® -T-L HDX O PERATOR ANUAL ISPLAY ESSAGE CREEN PERATING XAMPLE FOR AINTENANCE The maintenance menu shall contain three sub The maintenance intervals menu allows the driver to menus. These three sub menus are maintenance set the change intervals of the Engine Oil and Engine intervals, transmission oil life remaining, and Air Filter.
  • Page 37 PERATOR OMPARTMENT CONT ISPLAY ESSAGE CREEN PERATING XAMPLE FOR AINTENANCE Screen 3 Auxiliary Screens -Maintenance..Engine Oil To set the interval for engine oil changes, use the down button to scroll to ENGINE OIL in the maintenance menu. to select ENGINE OIL, press the Right button. Screen 4 Auxiliary Screens -Maintenance..Engine Oil...
  • Page 38 INER ® -T-L HDX O PERATOR ANUAL IFFUSER The diffuser is located on the lower dash to either side of the driver. Controls the flow of heated air around the driver, and is adjustable by moving the button located in the center. ADIO ONTROLS ADIO...
  • Page 39 PERATOR OMPARTMENT RAKE ALVE RAKES The parking brake applies or releases the coach parking brake. Pulling out on the parking brake knob NOTICE applies the parking brake. Pushing the handle in releases the parking brake. If the Parking brake has not been set and ignition if off, driver will be alerted with an audible alarm.
  • Page 40 INER ® -T-L HDX O PERATOR ANUAL , HI-LOW (O XHAUST OMPRESSION RAKE When switch is set to LOW position, exhaust brake is active. When set to HIGH position, both exhaust brake and compression brake are active. , ON-OFF (O ETARDER WITCH PTIONAL...
  • Page 41 PERATOR OMPARTMENT EATER ONTROL ANEL SSEMBLY When heater master switch is activated by the coach operator, the fan, fresh air circulation, and defroster can be adjusted by turning the knobs on this panel to the desired position. Controls the amount of air that is sent to the windshield area.
  • Page 42 INER ® -T-L HDX O PERATOR ANUAL ESERVE RAIN Momentary switch that allows the driver to activate the solenoid drain valve located on the wet tank reservoir. RIMARY ESERVE RAIN Momentary switch that allows the driver to activate the solenoid drain valve located on the primary reservoir. NGINE OMPARTMENT EMPERATURE...
  • Page 43 PERATOR OMPARTMENT Side Console Switch Panel The Side Console Switch Panel contains the controls layout of your side console switch panel may differ for bus heaters and defrosters, destination sign lights, slightly due to bus specifications and selected options. and other standard and optional body group controls. All switches are easily accessed by the operator.
  • Page 44 INER ® -T-L HDX O PERATOR ANUAL , 12-V OWER UTLET Supplies a 12-volt power supply source for driver add- on accessories, such as cellular phones and two way radios. Located on the switch cabinet, the outlet is wired hot through the battery with a 10 amp in-line fuse.
  • Page 45 PERATOR OMPARTMENT HILD EMINDER YSTEM See the “General Information” section of this manual for information concerning the function of these options. TROBE IGHT These lights are used in some eight-light warning systems, some stop arm assemblies and as a separate warning light affixed to the top of the bus in various locations.

  • Page 46: Operator's Compartment

    INER ® -T-L HDX O PERATOR ANUAL RIVER EFROSTER Located on top side of the side console switch panel and directs air from the defrosters to the driver's side glass. ’ , ON-OFF (O RIVER IGHT WITCH The driver's dome light switch enables the coach operator to energize the dome light above the operator's compartment.
  • Page 47 PERATOR OMPARTMENT ARNING IGHT WITCH Eight-light warning system controls the amber and red warning lights mounted on the four corners of the exterior of the vehicle. These lights are activated at various times by the driver as necessary. This system requirements vary from state to state. Follow your state requirements for proper operation.
  • Page 48 INER ® -T-L HDX O PERATOR ANUAL OISE UPPRESSION WITCH With the noise suppression switch in the active position, it enables the driver to eliminate any noise from heaters and fans, AC or radio that may be in use when the bus is approaching railroad crossings. NOTICE Factory installed component only.
  • Page 49 PERATOR OMPARTMENT ASSENGER EATER WITCHES The passenger heater fan switches enable the coach operator to control the fan speed of the heaters. The fans operate at either LOW or HIGH speed. WITCH Enables the defroster fan for windshield cleaning. The fans run at either low or high speed.
  • Page 50 INER ® -T-L HDX O PERATOR ANUAL MERGENCY IGHT WITCH Turns on lights mounted above the emergency door and/or rear pushout hatch. Step/Door Light Switch (Opt.) Energizes the step/door lights without activating the door. IGHT IGHT ARNING UZZER Mounted on the driver's switch cabinet to alert the driver when the door is opened.
  • Page 51 PERATOR OMPARTMENT Defrost Heater, LO/HI/OFF Switch enables the coach operator to control fan speed of the windshield defrosters. Fan blows warm air across the windshield to remove moisture which causes windshield fogging. UTSIDE PEAKER WITCH Outside speaker horn mounted beneath front area of bus.
  • Page 52 INER ® -T-L HDX O PERATOR ANUAL , ON-OFF (O WITCH Controlled by the coach operator, must be ON to operate the lift. , (W ARNING REEN With the "Lift Switch" enabled, and the green warning light on; lift has been activated. This will activate the brake interlock system and the lift door light.
  • Page 53 PERATOR OMPARTMENT EATER ASTER WITCH Separate switch enabling power to all heater motors and defroster motors to be cut off simultaneously. Momentary switch that activates the air horn mounted beneath the driver's vestibule floor. When switch is released, it returns to the off position. Crossing Arm Deactivation Switch (Opt.) Switch deactivates the crossing control arm after warning lights have been activated.
  • Page 54 INER ® -T-L HDX O PERATOR ANUAL ONDITIONING ASTER WITCH The switch on the left controls the fan speed for the air conditioning while the switch on the right controls the temperature or amount of cooling as the air passes through the system.
  • Page 55 PERATOR OMPARTMENT ANDER WITCH Switch located in the driver's area, enables coach operator to energize the wheel sanders that mount forward of the rear wheels. Sand is released onto the street to increase traction. , ON-OFF (O VERRIDE WITCH Will override the eight-light warning system and de- activate it.
  • Page 56 INER ® -T-L HDX O PERATOR ANUAL UGGAGE OMPARTMENT IGHT WITCH Located on the side panel, enables driver to activate the light in the luggage compartment. , ON-OFF (O HIME PTIONAL Coach operator has the option of having the chime switch ON or OFF.
  • Page 57 PERATOR OMPARTMENT PERATOR OMPARTMENT ONTROLS The following pages provide information on the enable the operator to perform a variety of tasks controls in the operator's compartment. The design, without moving from the driver's seat. location, and mounting position of these controls , (E LECTRIC UTTON...
  • Page 58 INER ® -T-L HDX O PERATOR ANUAL OWER TEERING Power steering uses energy from your engine to assist you in steering the vehicle. When the engine is NOTICE off, or if the power system becomes inoperative, the vehicle can still be manually steered, but requires After any severe impact such as striking large increased driver effort.
  • Page 59 PERATOR OMPARTMENT TITLE TEMPLATE The accelerator pedal is an electric rheostat type control that sends a gradually increased current to the engine to control engine rpm and coach speed. RAKE EDAL The brake pedal controls the application of the coach service brake.
  • Page 60 INER ® -T-L HDX O PERATOR ANUAL ISOR Six inches x 30" plastic with finished edge mounted to windshield header. Optional sun visor is available in three versions: 1. A plexiglass 6" x 30" with aluminum legs mounted over the driver's window and/or over the right side of windshield.
  • Page 61 PERATOR OMPARTMENT RIVER The driver's seat is designed to accommodate a following adjustments enable the seat to be moved for variety of driver builds and seating preferences. The maximum driver comfort: ECHANICAL Backrest Tilt - Rotate the knob for infinite body weight is removed from seat.
  • Page 62 INER ® -T-L HDX O PERATOR ANUAL 1. Backrest Tilt - Rotate knob for infinite selection 6. Lumbar Adjustment - Push rocker up to inflate of settings. lumbar. Push rocker down to deflate lumbar. 2. Cushion Height Front - Lift handle, pull up and 7.
  • Page 63 PERATOR OMPARTMENT RIVER WITH EDESTAL 1. Backrest Tilt - Rotate the knob for infinite selection of settings. 2. Cushion Height Front - Lift handle, pull up and forward. Choice of two settings. 3. Seat Fore-and Aft - Move the lever left and slide seat.
  • Page 64 INER ® -T-L HDX O PERATOR ANUAL RIVER The driver's seat belt should be worn at all times when The buckle should slide freely on the belt as the driver operating the coach. pulls the belt across his body to the push button latch on the door side of the seat.
  • Page 65 PERATOR OMPARTMENT CONT RIVER Make sure neither belt is twisted. Insert connector belt Release - The seat belts contain a push button into open end of buckle. A "snap" sound indicates the located on the buckle. To release the belt push in on connector belt is properly engaged with the buckle.
  • Page 66 INER ® -T-L HDX O PERATOR ANUAL Page 3.42...

  • Page 67: Operating The Vehicle

    PERATING THE EHICLE This section provides the operator with important It is important to carefully read and understand the operational information. The following pages contain following pages before operating the bus. A proper helpful driving tips, information for daily operation, and understanding of component location, function, and procedures for operation in emergency or inclement operation is important to the safe operation of the bus...
  • Page 68 INER ® -T-L HDX O PERATOR ANUAL NGINE OMPARTMENT ARNING ABEL WARNING Keep hands clear of all moving parts when engine is running. NGINE OMPARTMENT HECKLIST Make sure the bus engine is off and parking brake and proper tension. is engaged before performing the following tasks. •...
  • Page 69 PERATING THE EHICLE INAL HECK • Adjust driver's seat and steering wheel. other objects will appear smaller and further away • Start engine; look and listen for signs of trouble. than when viewed from a flat mirror. Use care when •...
  • Page 70 INER ® -T-L HDX O PERATOR ANUAL EATHER TARTING PTIONAL A sensor located in the engine will determine when fluid is added, if your vehicle is equipped with cold NOTICE weather starting aid. Only when the engine temperature is less than 100 F (37.7 C) will fluid be After starting a turbocharged engine, do not...
  • Page 71 PERATING THE EHICLE Engine Warm-Up After the engine starts, time is needed for an oil film to re-establish between moving parts. Operate the engine at low load until all systems reach normal operating temperature. Observe all gauges during warm-up period to verify that bus is ready to enter service.
  • Page 72 INER ® -T-L HDX O PERATOR ANUAL NGINE OMPARTMENT ONTROL ANEL This panel has a rocker switch to control the lights in on the panel until the engine cranks. Once the engine the engine compartment. cranks, release the starter interlock switch. It allows the operator to start the vehicle from the rear DANGER of the bus.
  • Page 73 PERATING THE EHICLE OCKING THE EHICLE If rocking the vehicle is necessary, even at low speeds, it may cause engine overheating, axle CAUTION CAUTION damage, transmission damage or failure, or tire "Rocking" the vehicle is moving it forward and damage. backwards in a steady rhythm.
  • Page 74 INER ® -T-L HDX O PERATOR ANUAL ARKING When parking the bus, use the following sequence: In the event the air system is below 60 psi, the parking 1. Shift transmission lever to neutral with engine brakes cannot be released until the air system is running.
  • Page 75 PERATING THE EHICLE ATTERY AINTENANCE ATTERY CAUTION CAUTION CAUTION CAUTION Sulfuric acid in battery electrolyte is poisonous. It Batteries normally produce explosive gases is strong enough to burn skin, eat holes in which can cause personal injury. Therefore, do clothing and cause blindness if splashed into the not allow flames, sparks, or lighted tobacco to eyes.
  • Page 76 INER ® -T-L HDX O PERATOR ANUAL UMPER ABLES wrench, touches the the ungrounded battery post and the bus chassis at the same time, the heavy CAUTION CAUTION flow of current will produce a dangerous spark. Battery gas can explode. Keep sparks and flames To avoid harm to yourself or damage to your away from batteries.
  • Page 77 PERATING THE EHICLE Do not raise the vehicle using a bumper jack. Bumper components can be damaged and the WARNING bumper jack can slip, resulting in personal injury. To minimize the risk of personal injury, do not put Make sure the jack is on a solid surface. Brace up any portion of your body under the vehicle while the vehicle with jack stands, or equivalent, at the vehicle is on the jack.
  • Page 78 CAUTION CAUTION followed when towing the bus. Thomas Built Buses recommends that when an Proper equipment must be used to prevent damage to HDX requires towing, that it be towed from the vehicles during the towing procedure. Use a safety front whenever possible.
  • Page 79 WARNING CAUTION Block the disabled vehicle's wheels with chock Thomas Built Buses recommends that when an blocks before preparing it for towing. Failure to do HDX requires towing, that it be towed from the so will result in a hazardous condition where the front whenever possible.
  • Page 80 INER ® -T-L HDX O PERATOR ANUAL RONT OWING RONT HEELS ROUND Proper equipment must be used to prevent damage to the vehicle during the towing procedure. Connect the NOTICE towing equipment to the main structural parts of the vehicle chassis. The chain should be hooked around This is to prevent the possibility of the emergency the front axle outboard of the springs.
  • Page 81 PERATING THE EHICLE IESEL PECIFICATIONS AND YSTEM Cummins: Use only Ultra Low Sulfur Diesel (ULSD) Refer to the Manufacturers’ Owners Manuals for more fuel.ULSD is required for correct operation of theAfter- information on this subject. Treatment system, otherwise the engine maynot meet emission regulations and may damagethe After- Treatment System.
  • Page 82 INER ® -T-L HDX O PERATOR ANUAL CNG F ILLING The fueling of a CNG equipped vehicle should only be at an approved refueling station and by personnel WARNING trained to operate it. This vehicle will accept either a slow-fill or fast-fill. Slow-fill will usually be done When fueling the vehicle, the engine shall be overnight and is less costly than a fast-fill.
  • Page 83 PERATING THE EHICLE CNG F YLINDERS CNG Fuel Cylinders must comply with FMVSS 304 Inspector's reports shall be retained for fifteen (15) and meet NGV-2 specifications required by the years from the original test date. Natural Gas Vehicle Coalition. It is also required that the fuel cylinders be replaced CNG fuel cylinders must be inspected every three (3) after fifteen (15) years from the manufacturers original years for external damage and deterioration.
  • Page 84 INER ® -T-L HDX O PERATOR ANUAL NSPECTING FOR AMAGE The suspension and steering linkage in your vehicle observe the steering wheel alignment. If the should be inspected periodically for abnormal steering wheel spokes seem to be in a different looseness and damaged seals.

  • Page 85: Emergency Equipment

    A proper understanding of component location, function and Safety equipment on the Thomas coach varies operation is important to the competent operation of according to local, state, federal, and operator the coach and the protection of all passengers.
  • Page 86 INER ® -T-L HDX O PERATOR ANUAL MERGENCY The rear emergency exit on the coach will allow exit from the rear of the vehicle. The instructions are on NOTICE the exit. The opening of the exit will activate the alarm. The vehicle should not be driven if an emergency exit buzzer is sounding.
  • Page 87 MERGENCY QUIPMENT IRST It is important that a first aid kit is maintained with the vehicle. If items or components are used, they should be replaced immediately. A need cannot be predicted; thus, be prepared at all times. LUID LEAN The body fluid clean-up kit is used when any type of body fluid comes in contact with the bus.
  • Page 88 INER ® -T-L HDX O PERATOR ANUAL XTINGUISHER The fire extinguisher should be inspected monthly to verify that it contains sufficient charge. Observe gauge on fire extinguisher for current condition. Recharge fire extinguisher as necessary. The chemical content of the fire extinguisher can be corrosive to any metal it contacts.
  • Page 89 MERGENCY QUIPMENT Fire axes are maintained with the bus for use in case of emergency. Usually located in driver's area or safety equipment compartment. RECKING Wrecking bar is maintained with the bus for use in case of emergency. Usually located in driver's area or safety equipment compartment.
  • Page 90 INER ® -T-L HDX O PERATOR ANUAL Page 5.6...

  • Page 91: General Information

    ENERAL NFORMATION UTWARD PENING There are two (2) adjustments for the standard The adjustments are factory set and should not outward opening entrance doors: require adjustment for many years under normal use. Door opening adjustment However, should it become necessary to readjust, Door closure adjustment follow these steps.
  • Page 92 INER ® -T-L HDX O PERATOR ANUAL CONT PERATED PENING DJUSTMENT CAUTION CAUTION Care should be used when operating doors while making adjustments. Keep hands clear of moving parts. Personal injury could result. OOSEN Page 6.2...
  • Page 93 ENERAL NFORMATION PERATED LOSURE DJUSTMENT 1. Bleed air from system by activating the emergency air release rocker switch located CAUTION CAUTION above the door. Check that air is absent by moving door control valve back and forth Use appropriate size wrench on flat part of shaft several times before proceeding.
  • Page 94 INER ® -T-L HDX O PERATOR ANUAL MERGENCY An emergency door is usually located on the street side of the coach. The opening hardware for the emergency door is protected to prevent accidental opening. Instructions for opening the emergency door are clearly displayed on the door face.
  • Page 95 ENERAL NFORMATION INDOWS PLIT EMOVAL AND NSTALLATION EMOVE The sash is installed in the window opening and is ensure that moisture does not enter the side of securely anchored on both sides to the one piece bow the body. frames with four (4) clips, two (2) on either side of the window.
  • Page 96 Remove sash as per section "Sash Removal". damaged or has deteriorated, replace the one- 2.1 To replace the lower stationary glass, loosen piece rubber seal available from your Thomas the center screw on each end of the center rail. Dealer.
  • Page 97 TATIONARY LASS This section applies to entrance doors and emergency doors. NOTICE All glass used by Thomas meets FMVSS WARNING 205 requirements. Use of OEM glass is Always wear heavy gloves and eye protection recommended when replacing any glass when handling glass to minimize the risk of injury.
  • Page 98 INER ® -T-L HDX O PERATOR ANUAL CONT TATIONARY LASS 7. Pull the cord slowly from the outside of bus while an assistant applies light pressure to the glass from inside the bus. Work rubber seal onto the metal flange. 8.
  • Page 99 ENERAL NFORMATION EATS AND ARRIERS All seats and barriers used in the manufacture of bus Seat cleaning and care recommendations are from bodies must meet many Federal and State the Chemical Fabrics and Film Association. requirements. One requirement commonly overlooked is the seat back foam for impact energy absorption.
  • Page 100 If your bus is equipped with passenger seats other • Transportation Seating P. O. Box 595 than Thomas, you can contact them direct for Montezuma, GA 31063 information on care and maintenance. Below is a list (616) 732-6600 of these manufacturers.
  • Page 101 Thomas Built Buses, care should be taken to ensure that axle weight ratings and gross vehicle weight ratings are not exceeded. Actual...
  • Page 102 INER ® -T-L HDX O PERATOR ANUAL CONT RACK EATING ENERAL NSTALLATION AND EMOVAL UIDELINES H = H-P OINT ORIZONTAL H = H-P OINT ERTICAL SBT = S HICKNESS OINT OINT ONTINUED ON NEXT PAGE Page 6.12...
  • Page 103 Most states require a minimum knee room of 24". It is also recommended by Thomas Built Buses that a minimum knee room of 24" be maintained. If you require a knee room of less than 24", contact Thomas Built Buses to get the seats absolute minimum spacing.
  • Page 104 INER ® -T-L HDX O PERATOR ANUAL CONT RACK EATING ENERAL NSTALLATION AND EMOVAL UIDELINES 6. All seats in a school bus should have another the emergency exit such that an ellipsoid with seat or a barrier installed immediately in front major axis of 50 centimeters and minor axis of above minimum seat spacing and below 33 centimeters, keeping a major axis horizontal...
  • Page 105 ENERAL NFORMATION RACK EATING ENERAL NSTALLATION AND EMOVAL 9. Wheelchair anchorages should allow passage of the ellipsoid in front of the torso or behind the shoulder belt attachment as shown below. USHOUTS NOT PERMISSIBLE IN THIS AREA MERGENCY MERGENCY LLIPSOID 10.
  • Page 106 INER ® -T-L HDX O PERATOR ANUAL RACK EATING ENERAL NSTALLATION AND EMOVAL UIDELINES 11. Wheelchair anchorages should be kept well away from the exit aisle to side emergency exit doors. No anchorages are allowed within 12” of the centerline of the exit aisle. LOOR LINE ENTER OF ESTRICTED...
  • Page 107 ENERAL NFORMATION CONT RACK EATING ENERAL NSTALLATION AND EMOVAL UIDELINES 12. The rear exit door deserves special attention in vehicles with a GVWR of less than 45336 kg, a school bus. Fully tracked units with removable the opening should accommodate a volume of seats adjacent to the rear exit door must allow 152 mm deep x 558 mm wide x 1143 mm high.
  • Page 108 INER ® -T-L HDX O PERATOR ANUAL CONT RACK EATING ENERAL NSTALLATION AND EMOVAL UIDELINES 13. Wheelchair anchorages should be excluded from this area. ONTINUED ON NEXT PAGE IMENSIONS IN MILLIMETERS PENING 1143 GVWR LOOR LINE >4536 kg <=4536 kg HEELCHAIR ANCHORAGES MERGENCY HEELCHAIR...
  • Page 109 19. Again, Thomas Built Buses is dedicated to 15. Seats equipped with ISO Latch infant carrier helping our customers operate our products in...
  • Page 110 INER ® -T-L HDX O PERATOR ANUAL MPACT rectangular parallelepiped dimensions shall be 45 NOTICE inches high, 22 inches wide, and six inches deep. Refer to FMVSS 217 for additional Information. Disregarding the GVWR of School buses: In case of a side emergency exit door, an opening of at least School buses with a GVWR of more than 10,000 114 centimeters high and 61 centimeters wide is pounds: In the case of a rear emergency exit door, an...
  • Page 111 ENERAL NFORMATION CONT MPACT However, a seat bottom may be located within the area as described if the seat bottom pivots and automatically assumes and retains a vertical position when not in use, so that no portion of the seat bottom is within the area as described above.
  • Page 112 INER ® -T-L HDX O PERATOR ANUAL CONT MPACT No portion of a seat or restraining barrier located forward of the area described above and between the door opening and a longitudinal vertical plane passing through the longitudinal centerline of the bus shall extend rearward of a vertical transverse plane tangent to the forward most portion of a latch mechanism on the door.
  • Page 113 H point. Also the same as seat contact Thomas Built Buses. spacing minus the seat back thickness. Seat spacing: The distance measured from the same point on two adjacent seats.
  • Page 114 INER ® -T-L HDX O PERATOR ANUAL RACK DENTIFICATION When installing a track mounted seat, it is important that you know what seat you are installing. You must be able to identify each seat being installed to maintain the proper seat spacing. A seat can be identified by following these three steps: 1.
  • Page 115 ENERAL NFORMATION CONT RACK DENTIFICATION The SynTec seat can be seen below. All SynTec seats 39” seat will have an approximate seat cushion width will be similar in shape. Another difference between of 39”. The 39” seat will not have three lap and the two is the SynTec frame.
  • Page 116 ISO latch, and lap belts. The following pictures show each individual option with each make of seat. If you are unsure or can not find the option in this manual, please contact Thomas Built Bus for assistance. IMMI L...
  • Page 117 ENERAL NFORMATION CONT RACK DENTIFICATION IMMI L IMMI FLEX S NUMBER OF BELTS MAY VARY ISO S NUMBER OF BELTS MAY NUMBER OF LATCHES MAY VARY Page 6.27...
  • Page 118 Seats must conform to the contradicts federal regulation please disregard and allowable knee room spacing for each particular contact Thomas Built Bus. seat. Please refer to the knee room section of the manual. If you are unsure of the knee room •...
  • Page 119 ENERAL NFORMATION CONT NSTALLING RACK EATING ETAIL ASHER ETAIL IMMI S RACK NSTALLATION Page 6.29...
  • Page 120 Thomas Built point. A good place to measure the seat spacing is the Buses for proper seat spacing.
  • Page 121 ENERAL NFORMATION HEELCHAIR ESTRAINTS General information Securing the Wheelchair If this unit is equipped with wheelchair placements, The wheelchair must be forward facing. It should be each wheelchair placement will have two or four track centered between the four attachment points on the segments in the floor and one track segment above floor track.
  • Page 122 INER ® -T-L HDX O PERATOR ANUAL CONT HEELCHAIR ESTRAINTS Securing the Occupant NOTICE The occupant must be secured with an upper torso belt occupant tiedown and pelvic belt occupant Refer to FMVSS 217 for additional information. tiedown. The torso occupant tiedown must be secured to the overhead track above the window.
  • Page 123 IEDOWN Several combinations of wheelchair securement For information on the proper use and care of the systems are available through Thomas. Each one has specific setup on your vehicle, consult the unique characteristics while accomplishing the same manufacturer's Instruction Guide supplied with the goal.
  • Page 124 4. Insert replacement piece and fasten in place the pieces to the damaged area. with rivets or screws. This should also squeeze 2. Mix Thomas epoxy per instructions. out a small bead of epoxy, about 1/8" in diameter, along each edge of the new bonded Note: Epoxy is available in three sizes.
  • Page 125 ENERAL NFORMATION All stop arms and crossing arms, air or electric, draw Stop arms/crossing arms are most commonly from the on-board chassis air or electrical system. The operated by a manual switch mounted in the switch connection to the chassis system should never be panel.
  • Page 126 INER ® -T-L HDX O PERATOR ANUAL EFROSTER The defroster fans are used to help clear the windshield and driver's window. The fans run at either low or high speed. The fans must be cleaned and the fasteners tightened occasionally. UBODOMETER Mounted right rear wheel.
  • Page 127 ENERAL NFORMATION ESTRICTION NDICATOR The restriction indicator is a progressive locking type, mounted in the engine compartment. The air cleaner element should be changed when the maximum restriction is indicated on the gauge. OLDING TEPS ON RONT UMPER Folding steps mounted on the front bumper to assist in cleaning the windshield.
  • Page 128 INER ® -T-L HDX O PERATOR ANUAL OMPRESSED ATURAL YSTEM General Description • A pressure control regulator that reduces the high fuel cylinder pressure to the lower pressure needed for the engine NOTICE • A gas-air mixer to produce a flammable mixture The compressed natural gas (CNG) fuel system for the engine should be routinely inspected for gas leakage.
  • Page 129 WARNING inspected at specified intervals for external damage Compressed natural gas is highly flammable. and deterioration. See the Saf-T-Liner HDX Service Failure to observe the following precautions could Manual for inspection schedule information. lead to the igintion of the natural gas, which could...
  • Page 130 INER ® -T-L HDX O PERATOR ANUAL (CNG) RESSURE AUGE NGINE OMPARTMENT High pressure gauge (0-4000 PSI) installed in the fuel line upstream from the regulator. Located to be visible when the fuel fill door is open. CNG D CNG F EFUELING ONNECTOR OVER...
  • Page 131 ENERAL NFORMATION NSTRUCTION ABEL FOR RANSFERRING EFUELING Transfer fuel: 6. Disconnect fuel hose from vehicle. A. Block the wheels on vehicles. B. Shut off engine. Removing all fuel from a vehicle (without using C. Turn off battery disconnect switches. facility defuel stack): D.
  • Page 132 INER ® -T-L HDX O PERATOR ANUAL Passenger Advisory System - Buzzer Activation - Option B2001-00-000 • Control module mounted in driver's area • Montgomery County, Maryland specification activates emergency exit buzzer after driver shuts off ignition switch. • Includes pilot light on the switch cabinet with an information label with the following wording, "PERFORM POST-TRIP INSPECTION, DISABLE ALARM AT REAR...
  • Page 133 ENERAL NFORMATION Passenger Advisory System - Buzzer Activation - Option B2001-03-000 • Bus scan child reminder system. • Buzzer on control module will sound when the driver shuts off the ignition switch. • The driver has 60 seconds to walk to the rear of the bus and press the reset button mounted on the rear interior hood, or the horn will activate.
  • Page 134 INER ® -T-L HDX O PERATOR ANUAL Passenger Advisory System - Horn Activation (Check Mate) - Option B2001-05-000 • System is activated when driver turns on ignition and starts the vehicle. • An audible alarm buzzer will sound for a few seconds, and then the horn sounds, alerting that the system is activated.
  • Page 135 ENERAL NFORMATION Passenger Advisory System - Buzzer Activation - Option B2001-07-000 • Bus scan child reminder system. • Control module mounted in driver’s area is activated after warning have been activated. • Buzzer on control module will sound when the driver shuts off the ignition switch. •...
  • Page 136 INER ® -T-L HDX O PERATOR ANUAL Passenger Advisory System (Horn Activation) Option B2001-12-000 • Passenger Advisory System is activated when the Red Warning Lamps are used the NOTICE first time. Once the route is complete, and the ignition is turned off, the Pilot Lamp on the Must also order option: B5020-00-000 Air dash lights as well as the Passenger Dome Entrance Door Wired to Ignition.

  • Page 137: Maintenance

    AINTENANCE This section provides the operator with important The following are minimum preventive maintenance information about bus maintenance. Proper bus inspections that should be performed as shown on the maintenance is essential to ensuring bus reliability forms or more often as operational and climatic and dependability.
  • Page 138 INER ® -T-L HDX O PERATOR ANUAL EATING YSTEM All heaters have removable aluminum filters. These When system coolant is replaced, it is important to filters prevent debris from accumulating on the heater bleed all air from the heater units. core and causing inefficient heat transfer.
  • Page 139 AINTENANCE LOOR OVERING Cleanliness is important to you and your passengers, excessive amounts of water. Mop with a mild soap and will give you longer floor life. Allowing dirt and solution, then remove excess water. other abrasive materials to accumulate on the floor will shorten the life of the bus floor covering.
  • Page 140 INER ® -T-L HDX O PERATOR ANUAL UGGAGE OXES Through-luggage boxes on the HDX will include the following photoluminescent "PRESS" decal. This decall should be replaced every five years. HROUGH UGGAGE OORS "PRESS" ECAL ON "PRESS" D ECAL LACEMENT INSIDE OF EACH DOOR Page 7.4...
  • Page 141 AINTENANCE OUCH Retouch damaged areas as soon as possible to develop into a major expense. Your Thomas dealer benefit bus appearance and control corrosion. may be your paint source. Exposed metal quickly corrodes and repair may IRES ENERAL NFORMATION Tire size and inflation pressures are recorded on the Inspect the tire side walls for cuts, bruises, and other bus certification plate.
  • Page 142 INER ® -T-L HDX O PERATOR ANUAL IRE AND HEEL EPLACEMENT The use of wheels and/or tires with load carrying DANGER limits higher than the limits of the wheels/tires originally installed on your vehicle does not in When working on the vehicle, shut down the itself increase the GAWR or the GVWR of the engine, set the parking brake, and chock the tires.
  • Page 143 AINTENANCE HANGING IRES CAUTION CAUTION WARNING To avoid personal injury and/or property and To minimize the risk of personal injury, do not put equipment damage, call for expert tire service. any portion of your body under the vehicle while the vehicle is supported by a jack. The jack is for emergency wheel and tire changing only.
  • Page 144 INER ® -T-L HDX O PERATOR ANUAL CONT HANGING IRES Place a "run-up" block in front of inside rear 12. Drive bus down block. Do not drive bus down axle tire. block until all lug nuts are tight. Drive bus forward until inside rear axle tire is on 13.
  • Page 145 AINTENANCE Hub Mounted Disc Wheels Mounting Instructions: On two piece flange nuts, apply a drop of oil between the nut and the washer and on the threads of the nut. Do not get lubricant on the CAUTION CAUTION mounting face of the drum or wheel. All parts must be clean, free of rust, dirt or excessive paint.
  • Page 146 INER ® -T-L HDX O PERATOR ANUAL IGHTENING HEEL Before tightening the wheel nuts, the following points should be understood: CAUTION CAUTION The presence of rust streaks emanating from the NOTICE lug nuts is evidence of the lug nuts not being (For Disc Wheels) Lug nuts on the right side of the torqued to specification.
  • Page 147 HARTS The following information has been extracted from the service manuals manufacturers providing components for Thomas Built Buses. All manuals supplied with the Thomas Maintenance Manual should be studied as they contain additional lubrication and maintenance information. NGINE APACITY AND...
  • Page 148 INER ® -T-L HDX O PERATOR ANUAL NGINE It is normal to add some oil between oil changes. Check your engine oil level before start-up or while CAUTION CAUTION refueling, or at least every 500 miles (800km). To check the engine oil level, park your vehicle on level Do not handle a hot oil filter with bare hands.
  • Page 149 AINTENANCE UBRICATION OINTS ESCRIPTION UANTITY OCATION & B TEERING OLUMN LIDE HAFT OTTOM NIVERSALS RONT UTOMATIC LACK DJUSTER IDE OF HASSIS IDE OF HASSIS UTOMATIC LACK DJUSTER IDE OF HASSIS & S RIVE HAFT OINT HOWN LUTCH ELEASE EARING ANUAL RANSMISSION ECHANICAL LUID...
  • Page 150 INER ® -T-L HDX O PERATOR ANUAL Wheel Bearings - Grease Packed/Lubricated • Lubricate every 12000 miles (19200km) Pack the grease by hand, forcing the grease into the • Soap Type - Calcium Sulfonate cavities between the rollers and cage from the large •...
  • Page 151 AINTENANCE RAKE EDAL LUNGER Apply Lithium Grease (TBB 61391010) or equal between brake and valve plungers, as well as light coating in steering shaft insulation hole, annually. PPLY GREASE HERE RAKE YSTEM The bus is equipped with a dual brake system that Shut down engine and release service brakes.
  • Page 152 INER ® -T-L HDX O PERATOR ANUAL UTOMATIC LACK DJUSTERS slack adjuster, troubleshoot the foundation brake system and inspect it for worn or damaged WARNING components. Improperly maintaining the vehicle Manually adjusting an automatic slack adjuster to braking system may lead to brake failure, bring the pushrod stroke within legal limits is resulting in property damage, personal injury, or likely masking a mechanical problem.
  • Page 153 AINTENANCE OWER TEERING UBRICATION The lubricant used in this vehicle’s power steering A replaceable filter element is located in the power system is the medium by which hydraulic pressures steering reservoir, which in the engine compartment. are applied and relieved, under control, to effect Change the filter element once a year or every 5000 steering assist.
  • Page 154 INER ® -T-L HDX O PERATOR ANUAL RANSMISSION LUID UTOMATIC RANSMISSIONS The following procedure should be used when Overheating - Extended operation at low road checking the transmission fluid in the automatic speeds with engine at full throttle can cause transmission: excessively high oil temperatures in the transmission.
  • Page 155 AINTENANCE PPROVED LLISON RANSMISSION UBRICANTS TES-295 OMPANY RODUCT RAND PPROVAL XXON OBIL UBRICANTS AND ETROLEUM AN-051005 OBIL ELVAC YNTHETIC PECIALTIES OMPANY AN-011001 ASTROL EAVY UBRICANTS AN-031002 UTRAN AN-031003 2805 OGNIS ORPORATION MGARD AN-031004 & E NTERNATIONAL RUCK NGINE OMPANY LEETRITE YNTHETIC AN-071006 &...
  • Page 156 INER ® -T-L HDX O PERATOR ANUAL LUID Check the lubricant every 3000 miles (4800km) or Drain and refill axle housing at 25000 miles once a month. (40000km) or 12 months, whichever occurs first. Check the lubricant level in the rear axle according to Draining the rear axle is best accomplished the following sequence: immediately after the bus has completed a trip.
  • Page 157 AINTENANCE HECK IFFERENTIAL EVEL Check the lubricant every 3000 miles (4800km) or once a month. NOTICE Check the gear oil level in the rear axle according to Dana Axle has removed the Lower Drain plug. The the following sequence: drain and fill plug are located on the lower right side of With the vehicle on level ground, remove the the drive axle.
  • Page 158 INER ® -T-L HDX O PERATOR ANUAL OOLANT EVEL Check the cooling system at regular intervals, such as system. Suddenly removing the cap will allow during fuel stops. You do not need to remove the scalding steam or coolant spray to escape, radiator cap to check the coolant level.
  • Page 159 AINTENANCE OOLANT ILTER EPLACEMENT NOTICE CAUTION CAUTION Mechanical over-tightening of the water filter To ensure the proper level of cooling system during replacement may destroy the threads or additive is maintained, refer to Engine Manual. damage the filter head. OOLING YSTEM CAUTION CAUTION...
  • Page 160 INER ® -T-L HDX O PERATOR ANUAL OOLING YSTEM The cooling system in the bus contains approximately literature for approved coolant. 38 U.S. quarts (36.1L). The antifreeze is an SCA pre- charged heavy duty coolant/antifreeze which is a When treating the cooling system with chemical blend of ethylene glycol and a specially formulated additives, always start clean.
  • Page 161 AINTENANCE CONT OOLING YSTEM Use the following guidelines when adding or Allow engine and radiator to cool, and release system refilling the cooling system: pressure at pressure release cap before opening cooling system. • Do not use methoxy propanol base antifreeze as it may damage engine seals.
  • Page 162 INER ® -T-L HDX O PERATOR ANUAL EATER OOLANT ROCEDURES The following procedures have been established to With engine NOT running, turn on booster help improve the purging of air from the heater system pump. Let run for five (5) minutes. Keep fluid and engine when cooling system repairs are level in surge tank.
  • Page 163 AINTENANCE NTIFREEZE Your bus is equipped with a 50/50 solution of Alliance pre-charged antifreeze, part OWI ALA003, is antifreeze and water. The antifreeze is an SCA pre- recommended. charged heavy duty coolant/antifreeze which is a Nitrate levels need to be checked and maintained blend of ethylene glycol and a specially formulated every time coolant is added to the system or every 4 inhibitor package designed for heavy duty cooling...
  • Page 164 INER ® -T-L HDX O PERATOR ANUAL OAT - R EQUIREMENTS Requirements: Test Kit: This coolant must meet the requirements of the The minimum service life guarantee is 600K following specifications: miles without addition of extender. ASTM D6210 The coolant includes Bittermant. Detroit 93K217 The following must be available to brand as Cummins 14603...
  • Page 165 AINTENANCE INDSHIELD ASHER To add windshield washer fluid, locate the fluid reservoir behind the center access panel below the windshield. Use a suitable washer fluid (not water) and fill to the cap. LEANER The air cleaner is located in the rear of the bus in the important that dust does not get past the filter engine compartment on the left side (driver's side) of element.
  • Page 166 INER ® -T-L HDX O PERATOR ANUAL RAINING ESERVOIR ANKS The air reservoir tanks should be drained daily. The draincocks should be left open until all moisture escapes. Many operators open the draincocks at the end of the day to permit thorough purging of the system. The draincocks are closed prior to placing the bus back into service.
  • Page 167 AINTENANCE NIQUE RIVING ONDITIONS Engine Oil & Oil Filter - Refer to Engine Manufactuer Air Cleaner - If operating in severe dust conditions, for Oil Drain/Filter Change Intervals. ask your dealer for proper replacement intervals. • Operating when outside temperature remains Automatic Transmission Lubricant - Must be below freezing and most trips are less than 5 changed whenever there is evidence of dirt,...
  • Page 168 INER ® -T-L HDX O PERATOR ANUAL URNING ADIUS HART TANDARD INDOW EIGHT EIGHT URNING WEEP HEELBASE 73" HR* 78" HR* ODEL ECTIONS ENGTH LEARANCE ADIUS ADIUS WEEP 110Y 181" 383" 121" 123 3/8" 27' 10" 27' 4" 32' 2" 1' 9"...
  • Page 169 AINTENANCE ENERAL PECIFICATIONS NOTE: All height dimensions are based on an average of measurements taken. All measurements are based on 11R22.5 Tires, 22.5 x 8.25 wheels and 79 7/8 track (front). Page 7.33...
  • Page 170 INER ® -T-L HDX O PERATOR ANUAL NGINE PERATING PECIFICATIONS NGINE PECIFICATION UMMINS UMMINS 10-30 10-30 16-58 RESSURE (110-400) (69-207) (69-207) 160 o -212 o 180 o -225 o 181 o -203 o OOLANT EMPERATURE (83 o -95 o ) (71 o -107 o ) (82 o -100 o ) **(C)
  • Page 171 AINTENANCE NGINE OOLANT ACKAGES Coolant Testing is essential to having a well maintained engine. Engine coolants are generally classified by their additive chemistry into two primary types. Conventional or Fully Formulated engine coolants are produced with additives designed to last a specific period of time, and then be routinely replenished with Supplemental Coolant Additives (SCA's).
  • Page 172 INER ® -T-L HDX O PERATOR ANUAL EADLIGHT IMING Preliminary Checks Check to see that the split image target lines Before checking or adjusting the headlight aim, do the are visible in the viewing port. If necessary, following: rotate each aimer slightly to locate the target. •...
  • Page 173 AINTENANCE CONTINUED EADLIGHT IMING Figure 1 - Headlight Adjustment with Hoppy Tool Adjusting Headlight Aim NOTE: Because of the various headlight assembly options offered, the location of adjustment screws on the vehicle’s headlight assembly may vary from what is shown here. Figure 2 & 3 Figure 2 CONTINUED ON NEXT PAGE Page 7.37...
  • Page 174 INER ® -T-L HDX O PERATOR ANUAL CONTINUED EADLIGHT IMING Figure 3 Headlight Aiming Headlight adjustment knobs are located on back side of headlight. These can be reached from underneath the chassis above the front bumper. Figure 4 - Headlight Adjusting Knobs ERTICAL EADLIGHT ARIATION...
  • Page 175 Form #1 Driver's Daily Inspection & Condition Report Bus Number _____________________________ Date/Time___________________________ Location ____________________________ Mileage_________________________________ Maintenance Department Not OK Fill fuel tank - Gallons/Liters ____ .........____ _______ Check engine oil level - Quarts/Liters added ____ .
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  • Page 177 Form #2 rev. 2019.01.16 Preventive Maintenance Inspection #1 4,000 Miles (6,400 Km) - 60 Days (whichever occurs first) Unit Number__________________________ Check = OK Mileage ______________________________ X = Attention Required Repair Order #________________________ R = Repair Date/Time ____________________________ N/A = Not Applicable Location______________________________ Not OK Check driver's reports for problems previously reported .
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  • Page 179 Form #2 rev. 2019.01.16 Preventive Maintenance Inspection #1 (continued) Not OK 23. Check Hydraulic fluid level ..........____ _______ 24.
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  • Page 181 Form #3 rev 2016.01.15 Preventive Maintenance Inspection #2 45,000 Miles, 75,000 Km - Annual Check = OK Unit Number__________________________ X = Attention Required Mileage ______________________________ R = Repair Repair Order #________________________ N/A = Not Applicable Date/Time ____________________________ Location______________________________ Not OK Steam clean engine compartment, if necessary .
  • Page 182 Form #3 rev 2016.01.15 Preventive Maintenance Inspection #2 (continued) Not OK 21. Test batteries for full charge ..........____ _______ 22.
  • Page 183 Form #4 AINTENANCE ENERAL AINTENANCE ECORDS The maintenance service record is for your records of any emission systems maintenance convenience. Record the services performed on your services performed on your vehicle. This record log vehicle in the record log. You should retain copies of should remain with the vehicle at all times.
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  • Page 186 Post Office Box 2450 High Point, NC 27261 (336) 889-4871 www.thomasbus.com www.facebook.com/thomasbuiltbuses ©2016 Thomas Built Buses, Inc. All rights reserved. No portion of this catalog may be reproduced by any means without express permission from the copyright holder. Part #TBB 61500716 (rev. 2021.1.26)
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