Page 1: Table Of Contents
TABLE OF CONTENTS KEYS..............3-1 FOREWORD ............iii DRIVER'S AREA ..........3-2 SAFETY PRECAUTIONS ........iv L.H. CONTROL PANEL........3-3 COACH EXTERIOR ......... 1-1 Transmission display .........3-3 Engine compartment rear door ......1-3 Cruise control .............3-3 Engine compartment R.H. side door ....1-3 Driver's power window switch......3-4 Main power compartment .........
Page 2 TABLE OF CONTENTS Trip Data Recorder (TDR)......... 4-6 Air filters..............7-9 World Transmission (WT) electronic controls 4-10 Lavatory maintenance ........7-10 Jacobs engine brake ........4-11 Flexible hose inspection ........7-11 Transmission retarder ........4-11 Pre-starting inspection ........7-11 Antilock Braking System (ABS) ...... 4-11 Changing wheels ..........7-12 Kneeling system ..........
Page 3: Foreword
FOREWORD The H3-41 and H3-45 are the current generation Warnings, cautions notes used of highway coaches produced by Prevost Car throughout this manual to emphasize important Incorporated. Prevost Car Incorporated is points when necessary. committed to the continuous improvement of coach quality, reliability, durability and safety.
Page 4: Safety Precautions
SAFETY PRECAUTIONS To ensure safe and reliable operation, take note The service life of the coach depends on the of the safety precautions as follows: kind of maintenance it receives. Always record any problems and report them Operation and maintenance of the coach immediately to maintenance personnel.
Page 5 SAFETY PRECAUTIONS Reduce your speed if another vehicle is coach increases with the weight and speed following too close behind to let the vehicle of the coach. pass. For additional information about defensive Be prepared to stop when approaching an driving practices, contact...
Page 7 CHAPTER 1 : COACH EXTERIOR H3-45 COACH H3-45 EXTERIOR VUE 18302 Engine Compartment Rear Door....1-3 10- Rear-View Mirrors........1-5 Engine Compartment R.H. Side Door ..1-3 11- Reclining Bumper Compartment....1-7 Main Power Compartment ......1-4 12- Front Electric & Service Compartment..1-7 Wheelchair Lift door ........
Page 8 COACH EXTERIOR H3-41 COACH H3-41 EXTERIOR VUE 18303 Engine Compartment Rear Door....1-3 10- Rear-View Mirrors........1-5 Engine Compartment R.H. Side Door ..1-3 11- Reclining Bumper Compartment....1-7 Main Power Compartment ......1-4 12- Front Electric & Service Compartment..1-7 Wheelchair Lift Door........1-4 13- Heating, Ventilating and Air Conditioning Baggage Compartment......
Page 9: Coach Exterior
COACH EXTERIOR ENGINE COMPARTMENT REAR ENGINE COMPARTMENT R.H. DOOR SIDE DOOR ENGINE Provides access to the following: DOOR HANDLE • Engine starting selector; • Engine coolant surge tank; • Air cleaner restriction indicator; • Engine oil dipstick; • Engine oil reserve tank; •...
Page 10: Main Power Compartment
COACH EXTERIOR catch on top of the door. Release the safety door is open, an indicator light will illuminate on catch before closing the door. the central dashboard. The lighting in the engine compartment turns on WHEELCHAIR LIFT DOOR automatically when the door is opened. If the compartment door is open, an indicator light will For proper wheel chair lift operation, refer to the illuminate on the central dashboard.
Page 11: Entrance Door
COACH EXTERIOR Caution : Close baggage compartment door in order to open condenser door completely. OUTSIDE OPERATING SWITCH Door Operation Logic CONDENSER DOOR ENTRANCE DOOR Operating The Door Using The Exterior Switch Or The Interior Push- The entrance door can be locked/unlocked with Buttons the exterior compartment key.
Page 12 COACH EXTERIOR prevent continuous operation of the heating GASKET SUPPORT elements. SCREW Caution : Do not attach stick-on type convex CABLE ASSY BEARING mirror accessories to the heated mirror glass. This could impede uniform heat distribution on the mirror surface which could break the mirror. GASKET &...
Page 13: Reclining Bumper Compartment
COACH EXTERIOR • Spare tire support and rail extension RECLINING BUMPER assembly. COMPARTMENT The front service compartment door can be locked/unlocked with the exterior compartment The spare wheel and tire assembly is stored in key. Lift protector cover to access the lock. Pull the reclining bumper compartment.
Page 14: Engine Radiator Door
COACH EXTERIOR The rear electric compartment door can be locked/unlocked using the exterior compartment RETRACTABLE BACK-UP key. Turn the key in the compartment door lock CAMERA to remove. The lighting in the compartment turns on An optional back-up camera is available which automatically when the door is opened.
Page 15: Coach Interior
CHAPTER 2 : COACH INTERIOR DRIVER'S AREA Entrance Door Open and close the entrance door using the push-button switches located on the dashboard. Refer to "Controls & Instruments" chapter (page 3-17). In an emergency, an opening valve is also provided to open the door. Refer to "Emergency ELECTRONIC DESTINATION SIGN 2EH3B210 safety features"...
Page 16: Cigarette Lighter
COACH INTERIOR Warning : To prevent fire, never put paper or plastic wrappers in the ashtray. Empty ashtray often. Cigarette Lighter The cigarette lighter is located below the ashtray. Push lighter in to activate. When ready to use, it will spring out automatically. Replace lighter in non-activated position.
Page 17: Driver's Seat
COACH INTERIOR Immediately report problems with safety belts to Warning: The driver's seat must be adjusted maintenance personnel. within easy reach of controls. Never adjust the seat while the coach is moving. Note : The safety belt must be pulled out slowly and steadily, otherwise the inertia reel will lock Warning : Always wear safety belt.
Page 18 COACH INTERIOR BACKREST SUSPENSION maximum mechanical suspension performance, rotate handwheel (6) until your body Lift lever (2) then adjust backrest weight (in pounds) is shown on to desired angle. the indicator. The seat suspension resistance can be changed to suit the driver. Turn handwheel clockwise to increase suspension resistance and counter- TILT (front) clockwise to decrease resistance.
Page 19: Tour Guide Seat
COACH INTERIOR Driver's Pneumatic Seat SUSPENSION maximum suspension performance, push down on knob until required weight reached. UP AND DOWN Press on "+" or "-" (6) to raise or lower driver’s seat. PNEUMATIC SUSPENSION SEAT 18126A LUMBAR SUPPORT ARMREST Push on upper section of rocker switch inflate lumbar...
Page 20: Microphone Jacks
COACH INTERIOR remove the two anchoring pins and washers at A folding armrest is installed on the aisle side of the bottom of the seat assembly. Raise and the passenger Another folding armrest is located unhook the seat assembly. between the two seats and can be raised for passenger convenience.
Page 21: Stop/Service Chime
COACH INTERIOR done by depressing a rocker switch on the player and a C.D. player may be installed in the dashboard. Refer to "Controls & Instruments" first front L.H. parcel rack. chapter (page 3-12). To open the optional closed aircraft style parcel racks, push the handle in to release the latch, then let go.
Page 22: Sun Visor (Blind)
COACH INTERIOR Waste Container The waste container is located on the lavatory wall, and is accessible through an opening on each side of the wall. A small door, located on the aisle side, gives access to the waste container for cleaning. Card Tables Two card tables are provided as standard equipment and are used in the passenger swivel...
Page 23: Galley
COACH INTERIOR Galley The optional galley may include features such as a microwave oven and refrigerator to accomodate hot or cold food and beverage service. The galley's electrical power circuit is activated by a rocker switch located on the dashboard. Refer to "Controls &...
Page 25: Controls & Instruments
CHAPTER 3 : CONTROLS & INSTRUMENTS 3 - Ignition Key KEYS Used to turn on the electrical power in the coach and to start the engine. Coach may be equipped Depending on the optional equipment installed, with an optional ignition lever. the following keys are available.
Page 26: Driver's Area
CONTROLS & INSTRUMENTS DRIVER'S AREA 1 - L.H. Control Panel ..........................3-3 2 - P.A. System ............................3-17 3 - Diagnostic Data Reader (DDR) Receptacle ................... 3-5 4 - Steering Wheel Adjustment Unlock Air Valve ................3-22 5 - Utility Drawers........................... 3-6 6 - Hostess's P.A.
Page 27: L.h. Control Panel
CONTROLS & INSTRUMENTS L.H. CONTROL PANEL 1 - Transmission Display 2 - Cruise Control Switches 3 - Driver's Power Window Switch 4 - Mirror Controls 5 - Tag Axle Control Valve 6 - Parking Brakes Control Valve 7 - Water Heater Timer (refer to page 4-5) 8 - Low-Buoy Control Valve Transmission Display The control pad for the optional Allsion...
Page 28: Driver's Power Window Switch
CONTROLS & INSTRUMENTS and releasing the RESUME switch providing Note : The cruise control and RESUME that the coach's speed is above 20 mph (32 switch do not operate at speeds below 20 mph km/h). (32 km/h). Note : To avoid sudden coach hesitation, Increasing Set Speed depress the accelerator pedal lightly before disengaging the cruise control.
Page 29: Parking Brakes Control Valve
CONTROLS & INSTRUMENTS Parking Brakes Override Valve DRIVER'S SEAT If the primary system air pressure drops below 40 psi (276 kPa) during normal operation, the spring-loaded parking brakes will immediately applied at full capacity on the drive axle to stop the vehicle. CONTROL VALVES If this occurs, determine the correct cause of Parking Brakes Control Valve...
Page 30: Steering Wheel Adjustment Unlock Air Valve
CONTROLS & INSTRUMENTS STEERING WHEEL REAR-VIEW TV MONITOR ADJUSTMENT UNLOCK AIR An optional back-up camera is available which VALVE provides the driver with visual assistance when backing-up. The TV monitor is mounted on the left side A- pillar and switches on automatically when the transmission is in the reverse (R) range.
Page 31: Dashboard
CONTROLS & INSTRUMENTS DASHBOARD DASHBOARD The dashboard comprises three digital displays (Trip Data Recorder (TDR), Exterior Temperature and Odometer Display). The digital displays have two intensities: day and night. A photocell inside the module will automatically shift the displays to night intensity at around 35 to 40 lux. 1.
Page 32: Control Switches
CONTROLS & INSTRUMENTS Hazard Warning Flashers Control Switches High quality laser engraved switches are used to control many of the features of the coach. Many Depress the rocker switch to switches have an embedded witness LED to make all turn signal lights flash at inform the driver at a glance which features are once.
Page 33 CONTROLS & INSTRUMENTS Upper Windshield Defogger Kneeling / Full Hi-Buoy (Optional) Momentarily press down the rocker switch rearward to lower Depress this switch to the first the front end of the coach 4 position to operate the defogger inches (100mm), and forward to blower at low speed, press return the coach to normal down fully to operate the blower...
Page 34 CONTROLS & INSTRUMENTS Fast Idle Engine Stop Override or DDEC Diagnostic Request For extended idling periods, run Engine Stop Override the engine at fast idle. Press down rocker switch engage fast idle. This increases Press down this switch and engine speed release to override emergency approximately 1,000 rpm.
Page 35 CONTROLS & INSTRUMENTS Pre-heater (Optional) Engine Radiator Fan Override Push down rocker switch to turn Depressing this rocker overrides preheating system the radiator fan’s thermostatic supplementing central switch. Use this feature when heating system when required. the radiator fan switches on and The pre-heater will turn on or off off often, such as when driving automatically...
Page 36: Trip Data Recorder (Tdr)
CONTROLS & INSTRUMENTS Interior Lighting Stop/Service Chime (Optional) Press down the rocker switch to the first position to illuminate Pressing down driver's the aisle dome lights and to the rocker switch will power the second position to illuminate chime system allow both the fluorescent lights and passenger operation of both...
Page 37 CONTROLS & INSTRUMENTS on after five seconds, or comes on sometime after starting the engine, the Detroit Diesel Wheel Chair Lift Electronic Control (DDEC) system has detected a minor problem. The indicator will remain on Illuminates when the wheel chair until the malfunction has been corrected.
Page 38 CONTROLS & INSTRUMENTS Kneeling/Hi-Buoy Indicator Engine Door Ajar Indicator Illuminates during Kneeling or Hi- Illuminates when one or both Buoy operation. A buzzer informs engine compartment doors are the operator during the operation. open. The control switch is located on the dashboard.
Page 39 CONTROLS & INSTRUMENTS Starter ON Indicator Emergency/Parking Brake Indicator Illuminates when the engine starter Illuminates when is ON. emergency/parking brake 06380 applied. The control valve is Warning: If the “STARTER ON” Indicator light located R.H. lateral remains illuminated even after releasing the console.
Page 40: Gauges
CONTROLS & INSTRUMENTS illuminates, make sure that the battery equalizer below 50 psi (345 kPa). circuit breakers are reset before requesting Caution : Loss of oil pressure may cause breakdown assistance. Wait 15 minutes after severe engine damage. If low oil pressure LED setting breakers to allow batteries to equalize.
Page 41: Vehicle Height
CONTROLS & INSTRUMENTS Caution : Operating the coach when the Vehicle Height Information reading is below 1/8 full is not recommended. Turbo Boost pressure Gauge 12'4" 3,76M Indicates turbo boost pressure psi. Reading depends on engine rpm and Normal vehicle height is 12’-4" (3.76 m). load conditions.
Page 42: Hvac Control Unit
CONTROLS & INSTRUMENTS The HVAC module performs a self diagnostic HVAC Control Unit every time it is turned on. Codes are shown on displays or flashed on control buttons. The cabin is pressurized by the A/C - heating system. Air flow and controls divide the coach Heating Mode Indicator into two areas: •...
Page 43: Brightness Control
CONTROLS & INSTRUMENTS To place ignition switch to ON, turn the key Panel and Footwell clockwise to the first position. The key cannot be removed in this position. Air is sent to panel and footwell registers only. START Turn the key clockwise to the second position Panel and release as soon as the engine starts.
Page 44: Multifunction Lever
CONTROLS & INSTRUMENTS Multi-function Lever MULTI-FUNCTION LEVER 23133 RETARDER HAND LEVER 23132 The multi-function lever is used to operate the Operating the Retarder Using the following: Hand Lever: - Turn Signal With the retarder activated (retarder switch Move the lever up to the second detent position depressed) and the accelerator pedal released, to signal a right turn, down to the second detent move the output retarder lever clockwise from...
Page 45: Foot-Operated Controls
CONTROLS & INSTRUMENTS Caution : To avoid damaging the pump FOOT-OPERATED CONTROLS mechanism, do not use the windshield washer when the fluid level is low. Lower Windshield Wipers Turn the lever counterclockwise to activate the lower windshield washers. The first position activates the wipers intermittently.
Page 46: Acceleratior Pedal
CONTROLS & INSTRUMENTS Steering Wheel Adjustment Unlock Air Valve Refer to page 3-6 of this chapter for operating instructions . Accelerator Pedal Controls engine RPM. Note : the accelerator pedal will not operate when the front door is open. Caution : Do not let the engine operate above 2,450 RPM.
Page 47: Semi-Automatic Transmission
CONTROLS & INSTRUMENTS Caution : To prevent premature clutch wear, A car-like shift console contains the gear select always start driving coach with lever and position indicators along with indicator transmission in first gear. lamps. Gear select buttons located on the side of the handle allow manual control of the Caution : Before ascending or descending a long...
Page 48 CONTROLS & INSTRUMENTS mode status will be indicated on the digital display by a red LED illuminating in the upper right corner of the MODE button when selected. Oil level display mode (optional) Select oil level display mode by pressing simultaneously on the "...
Page 49 CONTROLS & INSTRUMENTS detects a serious problem in the transmission, a period of time or until normal wheel speed has buzzing tone sounds for 5 seconds, and the been restored. "CHECK TRANS" light on the dashboard (see Note : The transmission should normally be page 3-13) illuminates to warn the driver that the allowed to shift itself, but manual shifting can be transmission is held in gear.
Page 51: Other Features
CHAPTER 4 : OTHER FEATURES The Electronic Unit Injectors (EUI) operate on a DETROIT DIESEL ELECTRONIC principle similar to the mechanical unit injector system. However, a solenoid-operated control CONTROL (DDEC) SYSTEM valve performs the injection timing and metering functions which make injector timing much DDEC is an advanced-technology electronic fuel simpler and more precise.
Page 52: Detroit Diesel Data Hub
OTHER FEATURES SHEMATIC DIAGRAM OF DDEC IV SYSTEM OEH3B402 Data Hub Software DETROIT DIESEL DATA HUB There are two versions of Data Hub software Detroit Diesel Corporation has introduced DDEC which provide different levels of capability. Both IV, the fourth generation of its electronic engine versions are designed with user-friendly screens control system.
Page 53 OTHER FEATURES and ECM set-up parameters can also be user identifies types of data and performance reviewed to aid in troubleshooting, when exception limits for each. The software then necessary. screens data gathered over a selected time period and highlights "exceptions". Typically, TRAC is designed for use with all Detroit Diesel the exceptions result in corrective action or a engines that are equipped with the DDEC II and...
Page 54: Ddec Iv Electronic Control Module (Ecm)
OTHER FEATURES available to provide a package that will meet the diagnostic connector via an RP1202 adapter user's specific needs. module. Data extraction takes about 20 seconds. Smart Card technology is available for partial data extraction from the Data Logger by adding Data Logger a Smart Card Interface module to the Data Hub system.
Page 55 OTHER FEATURES cooled engines. It can be used before startup to The circulating combustion air flushes the facilitate starting and to provide rapid operation remaining combustion gases out of the chamber of the interior heating system. It can also be and cools off the heated parts on the exhaust used with the engine running to maintain coolant side of the heat exchanger.
Page 56: Trip Data Recorder (Tdr)
OTHER FEATURES Many driver friendly features are designed into Programming Heating Start Time TDR to provide instantaneous feedback to the Press and the display shows the time at driver. This enables the driver to understand the which the heater will start. You can alter the effect of actions on engine and vehicle starting time by pressing either 6 (backwards)
Page 57 OTHER FEATURES • Press and hold the MODE button. The next or a 24-hour format (00:00:00 to 23:59:59). The choice is made in the Set-Up Menu. mode display will appear once the reminder tone is enabled. The clock display with a bell To display the clock: will appear on screen.
Page 58 OTHER FEATURES Note : US Standard - Distances are displayed in While in the cluster self test mode, the miles temperatures are displayed in engine ECU data link is disconnected. Therefore Fahrenheit degrees and fuel consumption the gauges will not function until the cluster is is displayed in miles per gallon.
Page 59 OTHER FEATURES • Scroll to Backlighting Adjust using the and the yellow caution telltale light will illuminate. UP/DOWN buttons; • Press the SET button; Preset Trip Points for Graphic Display Gauges: • Increase or decrease the backlighting using Each of the gauges in the graphic display has a the UP/DOWN buttons.
Page 60: World Transmission (Wt) Electronic Controls
OTHER FEATURES average consumption value can be reset by WORLD TRANSMISSION (WT) pressing the SET button while in this display (the ELECTRONIC CONTROL Trip Fuel Meter value will also be reset). Works with the automatic transmission with Trip Fuel Meter push-button shift selector.
Page 61: Transmission Retarder
OTHER FEATURES Effectiveness of the engine brake system will induces wheel locking. Wheel locking greatly vary according to the transmission range in use. increases breaking distance on any road The engine brake system is more effective in surface, impedes directional control and causes lower ranges and at higher engine speeds.
Page 62: Low-Buoy
OTHER FEATURES Note : The kneeling system does not operate RETRACTABLE TAG AXLE when the coach is traveling over 5 mph (8 Optional tag axle retraction is controlled by a km/h). Consequently, the driver cannot valve located on the right lateral console. The inadvertently operate the kneeling system at valve can be switched to either the WHEELS UP higher speeds.
Page 63: Back-Up Alarm
OTHER FEATURES The lights are not used when: camera are automatically activated when the transmission is put in the reverse (R) range. • engine is stopped; • parking brake is applied; HUBODOMETER • the exterior lighting switch is turned to the A wheel hubodometer is installed on the R.H.
Page 64: Mud Flaps And Splash Guards
OTHER FEATURES MUD FLAPS AND SPLASH GUARDS Mud flaps are installed behind each front wheel and the tag axles. Mud flaps minimize dirt on the lower panels of the coach and prevent stones and debris from being thrown at vehicles traveling behind the coach.
Page 65: Starting And Stopping Procedures
CHAPTER 5 : STARTING AND STOPPING PROCEDURES Caution : Special precautions are necessary with turbocharged engines to avoid possible STARTING ENGINE FROM turbine damage. After starting, run the engine at DRIVER'S COMPARTMENT slow idle for two minutes to allow lubricating oil to reach the turbocharger.
Page 66: Cold Weather Starting
STARTING & STOPPING PROCEDURES switch located on the dashboard to the ON Caution : Use the cold starting aid only position. Refer to "Control & Instruments" when absolutely necessary. Excessive use of chapter; starter fluid could result in serious engine damage.
Page 67: Jump Starting
STARTING AND STOPPING PROCEDURES case, the transmission will be locked in neutral 1. Remove the protective caps from the booster (N) until the transmission temperature rises above block terminals located in the main power -20 °F (-29 °C) and the CHECK TRANS indicator compartment;...
Page 69: Emergency Safety Features
EMERGENCY SAFETY FEATURES CHAPTER 6 : EMERGENCY SAFETY FEATURES complete operating instructions is located on the EMERGENCY EXITS escape hatch. Side Windows Some side passenger windows can be opened from the inside for emergency escape. A decal located on the bottom of each passenger window indicates the emergency exit location.
Page 70: Front Door Emergency Opening
EMERGENCY SAFETY FEATURES Finally, pull the hatch in to close, one side at a time. Front door emergency opening Outside Emergency Opening Valve FRONT DOOR UNLOCKING LEVER OEH3B610 FRONT SERVICE COMPARTMENT Before operating the system, the front door must be unlocked. To operate the system, set the valve located in the front service compartment to the UNLATCH position before pulling the door open.
Page 71: Air System
EMERGENCY SAFETY FEATURES A fire extinguisher is located under the first R.H. seat. A second fire extinguisher is located under the first L.H. seat. Instructions for use are found on the extinguishers. Know how to operate fire extinguishers in case of an emergency.
Page 72: Emergency And Parking Brakes
EMERGENCY SAFETY FEATURES (brakes, suspension and accessories). The fill valve located in the service compartment supplies air for accessories only. Caution : air filled through the two emergency fill valves will pass through the standard air filtering system. Do not fill air at any other location.
Page 73 EMERGENCY SAFETY FEATURES Indicator Light Audible Alarm Condition Air primary Buzzer Low air pressure Air secondary Buzzer Low air pressure Check Trans Buzzer Inhibits shifting of transmission Buzzer Lavatory emergency button is activated Chime Button activated by passenger Fire Bell Fire in engine compartment Kneeling / Hi-Buoy Beep...
Page 75: Care And Maintenance
Note : Use only approved cleaning products • Rub the stain with a damp cloth; such as Prevost A.P.C., all purpose cleaner (Prevost # 683664). Never use stain protection • Rinse cloth after each application. products on new fabrics. To prevent permanent...
Page 76: Exterior Cleaning
Use a stainless steel cleaner and follow the The coach exterior should be cleaned, waxed manufacturer's instructions. Stainless steel and buffed when water droplets no longer form cleaning solution may be ordered from Prevost on the painted surfaces. Car Inc. quoting part number 68-0356.
Page 77: Oil Level Verification
CARE AND MAINTENANCE cleaning solution. Clean wiper blades using a Caution : Hot water can damage paint. sponge or soft cloth. Keep water cool or lukewarm. Caution : Make sure cleaning solutions are OIL LEVEL VERIFICATION not harmful to painted surfaces. Read the manufacturer's instructions before using.
Page 78 CARE AND MAINTENANCE To prevent dirt and foreign matter from entering the transmission, clean the end of the oil fill tube before removing dipstick. To remove dipstick, unscrew filler cap approximately three turns, and pull out dipstick. Cold Check Run the engine until the transmission oil temperature is between 60 °F and 140 °F (16 °C and 60 °C).
Page 79 CARE AND MAINTENANCE HOT RUN band to the middle of the HOT RUN band. Replace dipstick and tighten the filler tube cap until the rubber seal is correctly seated. Caution : Do not overfill transmission oil reservoir. Severe damage may result. -SPEED AND 7-SPEED MANUAL TRANSMISSION OIL LEVEL Oil Check...
Page 80: Coolant Level Check
Insert dipstick in gearbox case then remove again to check mark; Add, if necessary, MOBIL SHC 634 synthetic lubricant (or Prevost P/N 18-0185) until it reaches "FULL" mark; ENGINE COMPARTMENT Reinsert the dipstick;...
Page 81: Air Tanks
CARE AND MAINTENANCE AIR TANKS The coach may be equipped with six air tanks. Purge accessory and wet air tanks daily or before each trip. The primary, secondary, kneeling system (optional) and parking brake override (optional) air tanks, must be purged at every oil change.
Page 82: Volt In Station Lighting Circuit
The radiator transfer fan and air conditioning compressor are driven by V-belts. Belt Tension Gauge #68-2404 is used to measure the belt tension of series-60 engine belts. Refer to Prevost Maintenance Manuals or Service Bulletins for recommended belt sizes and tension PRESSURE REGULATING VALVE settings.
Page 83: Back-Up Camera
CARE AND MAINTENANCE GENERAL RULES FOR BELT TENSION • Refer to Prevost Maintenance Manuals or Service Bulletins for recommended belt sizes and tension settings; • With belt tension set, run engine for 10 minutes. Check tension and reset if necessary;...
Page 84: Lavatory Maintenance
CARE AND MAINTENANCE LAVATORY MAINTENANCE FRESH WATER RESERVOIR DRAINING Draining and filling lavatory tanks should be performed by maintenance personnel. Unless an To drain fresh water reservoir, open drain valve appropriate power source (110-120 VAC) is located near the quick-release couplings in the available to connect the tank heating element engine compartment.
Page 85: Flexible Hose Inspection
CARE AND MAINTENANCE Have an assistant push on the spring ball of the quick-release coupling to allow air into the system. FLEXIBLE HOSE INSPECTION Inspect flexible hoses regularly to ensure efficient, economical, and safe operation of the engine and related equipment. PRE-STARTING INSPECTION Inspect hoses daily for leaks.
Page 86 CARE AND MAINTENANCE RECLINING FRONT BUMPER PROCEDURE The spare tire is stored in the compartment Step 1 directly behind the front bumper. To gain access to the spare tire, unscrew the nut located below Apply parking brake and stop engine. Remove each end of the bumper and then push up.
Page 87: Towing
CARE AND MAINTENANCE Step 6 Torque the nuts in a criss-cross pattern to 450 to 500 foot-pounds (610 to 680 N.m). Step 7 JACKING POINTS ON FRAME Lower the coach completely and remove jack. EH3B758 Inflate tire pressure to the cold tire inflation pressure.
Page 88: Lubrication
CARE AND MAINTENANCE DAILY INSPECTION Caution : To prevent damage to the drivetrain components, disconnect axle shafts or driveshaft before towing. Do not attempt to push- or pull- WITH ENGINE STOPPED start the coach with a manual transmission in first or second gear.
Page 89 CARE AND MAINTENANCE Warning : Hot engine coolant is under pressure. Seats Do not attempt to open the coolant filler cap when the engine is hot. Allow engine to cool before Ensure all seats and seat cushions are securely adding coolant. attached.
Page 90: General Recommendations
CARE AND MAINTENANCE Air loss should not exceed 7 psi/minute (48 kPa/ • Engine should be at idle when shifting from minute). neutral (N) to forward (D) or neutral (N) to reverse (R); Brake Test • The automatic transmission does not have a Release parking and emergency brakes.
Page 91: Technical Information
Dry Weight (w/6-Cyl. & World. Trans.) Width, Overall ......102" (2 591 mm) H3-45........33 800 lbs (15 330 kg) H3-41........32 400 lbs (14 695 kg) Height, Overall ......12' (3 658 mm) (over closed roof hatches) Gross Axle Weight Rating (G.A.W.R.)
Page 92: Capacities
13 US qts / 12 liters • Manual Transmission Make:.............Dayco Model: 7 speed....24 US qts / 22,7 liters Prevost number......... 50-6663 6 speed....20,5 US qts / 19.4 liters Supplier number........5100495 Power Steering Reservoir Qty: ................ 1 4 US qts / 3,7 liters...
Page 93: Transmission
TECHNICAL INFORMATION • Manual A/C System Compressor Spicer PS145-7A, 7-speed Make: .............Gates Gear Ratio Model: ............CX 97 ............10.13 Qty: ................2 .............5.99 TRANSMISSION .............3.56 ..............2.57 • Automatic ..............1.84 Allison B-500 World Trans., 6-speed ..............1.33 Available in 4, 5, or 6 speed shift calibrations.
Page 94: Brakes
12 volt and 24 volt battery relax • Toe in......0 ± 3/32" (0 ± 2,4 mm) SOUND SYSTEM BRAKES Sixteen (H3-45) or twelve (H3-41) Hi-Fi speakers Dual system plus parking brake in passengers' section (standard) Disc brakes on front and tag axles...
Page 95: Heating And Air Conditioning System
• SAE 75W-90 (below 10 °F (-12 °C)) Power: ............2 hp Voltage: ..........27.5 V Fan Gearbox Maximum amperage:......69 A Bearing and gear MOBIL SHC 634 synthetic lubricant (PREVOST # 180185) is recommended Temperature Control for the fan gearbox. output stage "Honeywell Energy Management"...
Page 96: Water Heater Technical Data
TECHNICAL INFORMATION Electrical connection is made through a 35 pin m); pipe diameter is 3/8" (10 mm) venting plug downward at an angle of 15° on the vertical plane. Maintenance: ..........none Maintenance:...........none Solenoid Control Valve Technical Data Sensor Technical Data Voltage:........24 (+4.8, -2.4) volts Two-core screened cable: ..AWG 18 (1 mm Current:..............
Page 97 TECHNICAL INFORMATION DDEC DDEC Code Code DESCRIPTION DESCRIPTION Number Number (Flashed) (Flashed) voltage low voltage high Coolant level circuit failed low Intercooler temperature circuit failed high Coolant temperature circuit failed Oil temperature circuit failed high high Intercooler temperature circuit failed Coolant temperature circuit failed Oil temperature circuit failed low Coolant level circuit failed high...
Page 98 TECHNICAL INFORMATION DDEC DDEC Code Code DESCRIPTION DESCRIPTION Number Number (Flashed) (Flashed) Vehicle speed sensor fault J1939 data link fault Proprietary link fault (master) Proprietary link fault (receiver) J1587 data link fault J1922 data link fault Torque overload Response time long Aux.
Page 99: World Transmission (Wt) Diagnostic Codes
TECHNICAL INFORMATION DDEC DDEC Code Code DESCRIPTION DESCRIPTION Number Number (Flashed) (Flashed) Oil level circuit failed high Crankcase pressure circuit failed high Timing actuator (dual fuel) failed low Oil level circuit failed low Crankcase pressure circuit failed Oil level high Crankcase pressure high Oil level low Crankcase pressure low...
Page 100 TECHNICAL INFORMATION from the shift selector. To clear code records from the list, hold the MODE push-button down Definitions of Diagnostic Codes continuously for ten seconds until a second tone Diagnostic codes are defined as follows: sounds. All diagnostic records in the list that are inactive will then be cleared and the remaining Code list position: records will then move up the list.
Page 101 TECHNICAL INFORMATION NOTE : If clearing a code while locked in a drive To view the third, fourth and fifth positions (D) or reverse (R) position (fail-to-range), the (d3, d4 and d5), momentarily press the transmission will still be in drive (D) or reverse (R) MODE push-button as explained above.
Page 102 TECHNICAL INFORMATION • CT (CHECK TRANS) Response All solenoids are commanded off (turning solenoids "A" and "B" off electrically causes them to operate hydraulically). • Turn off lock-up clutch and inhibit lock-up operation. RPR (Return to Previous Range) Response • Inhibit all shifts.
Page 103 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION Secondary Shift Selector Hold in last valid direction or RSI Link Fault Secondary Shift Selector Mode change not permitted Mode Function Fault Sump oil temperature, cold Sump oil temperature, hot No upshifts above a calibration range Output speed reasonableness...
Page 104 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION EEPROM, Power Off Use previous location, Block checksum or factory calibration and reset adaptive EEPROM, Diagnostic Use previous location, Queue Block Checksum or clear diagnostic queue EEPROM, Real Time CT, SOL OFF Block Checksum (Hydraulic default)
Page 105 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION Short to battery, C CT, Lock in a range solenoid circuit Short to battery, D CT, Lock in a range solenoid circuit Short to battery, E CT, Lock in a range solenoid circuit Short to battery, F Lock-up inhibited...
Page 106 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION Short to ground,J Low and 1st inhibited solenoid circuit Short to ground,K K solenoid operation solenoid circuit inhibited Short to ground,N Low and 1st inhibited solenoid circuit Open circuit,A CT, SOL OFF solenoid circuit (Hydraulic default)
Page 107 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION Offgoing ratio CT, RPR test (during shift), 4 to 3 Offgoing ratio CT, RPR test (during shift), 4 to 5 Offgoing ratio CT, RPR test (during shift), 6 to 5 Offgoing C3PS CT, RPR test (during shift),...
Page 108 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION Offgoing C3PS CT, RPR test (during shift), N3 to N2 Offgoing speed CT, NNC test (during shift), L to N1 Offgoing speed CT, NNC test (during shift), 1 to N1 Offgoing speed CT, NNC test (during shift),...
Page 109 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION Offgoing speed CT, NNC test (during shift), R to N1 Offgoing speed CT, RPR test (during shift), N2 to N3 or N3 to N2 Oncoming ratio CT, RPR test (after shift), L to 1 Oncoming ratio...
Page 110 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION Oncoming ratio CT, RPR or SOL test (after shift), OFF (Hydraulic default) 4 to 5 Oncoming ratio CT,RPR test (after shift), 5 to 4 Oncoming ratio CT,RPR test (after shift), 5 to 6 Oncoming ratio CT,RPR...
Page 111 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION Oncoming ratio CT, NNC test (after shift), R to 2 (R to NNC to 2) Oncoming ratio CT, RPR test (after shift), N1 to 2 (N1 to NNC to 2) Oncoming ratio CT, RPR test (after shift),...
Page 112 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION Range verification CT, 5th or SOL test, 3rd Range verification CT, 3rd or 5th test, 4th Range verification CT, SOL OFF test, 5th (5th) or 3rd Range verification CT, 5th, 3rd, or test, 6th SOL OFF (3rd)
Page 113 TECHNICAL INFORMATION MAIN CHECK INHIBITED TRANS CODE CODE DESCRIPTION OPERATION LIGHT DESCRIPTION ECU, C solenoid CT, SOL OFF driver open (hydraulic default) ECU, D solenoid CT, SOL OFF driver open (hydraulic default) ECU, E solenoid CT, SOL OFF driver open (hydraulic default) ECU, F solenoid Lock-up inhibited...
Page 114 TECHNICAL INFORMATION • Transmission output shaft stopped; OL-70 Sump oil temperature too low • Oil level sensor present and working. OL-79 Sump oil temperature too high OL-89 Output shaft rotation After two minutes, the display will flash one of the codes shown below.
Page 115: Eaton Fuller Semi-Automatic Transmission Fault Codes
TECHNICAL INFORMATION • Observe the sequence of flashes on the indicator lights and record the codes. A one or two second second pause separates each stored code and the sequence automatically repeats after all codes have been flashed. Refer to Eaton Fuller Troubleshooting Guide (TRTS-0050). Eaton Fuller Semi-Automatic Transmission Fault Codes Code Description...
Page 116 TECHNICAL INFORMATION APPLICATION PREVOST TRADE OR WATTS OR VOLTS PART NO. CANDLE NUMBER POWER EXTERIOR LIGHTING Hi-beam 561198 H4851 50 W Lo-beam 561199 H4656 35 W Docking & cornering 930319 H9415 37.5 W Bosh Touring 170 430327 55 W License plate (sealed)
Page 117: Data Plates And Certifications
TECHNICAL INFORMATION LIGHT BULB DATA APPLICATION PREVOST TRADE OR WATTS OR VOLTS PART NO. CANDLE NUMBER POWER "watch your step" 561166 Aisle 560141 1251 3 cp Reading 561553 5637 Fluorescent 830153 F32T8 15 W Lavatory fluorescent 830102 F15T8CW 15 W...
Page 118 The Vehicle Identification Number is stamped on This certifies that coaches manufactured by a plate located on the windshield frame pilar Prevost Car Inc., comply with all Federal Motor (driver's side). The VIN is visible from the outside Vehicle Safety Standards at the time of of the coach.
Page 119 TECHNICAL INFORMATION EPA Engine Label The exhaust emission certification label affixed to the oil reserve tank certifies that the engine conforms to federal and any state exhaust emission regulations. It gives the operating conditions under which certification was made. ENGINE COMPARTMENT COACH FINAL RECORD The Coach Final Record is a record of all data pertaining to the assembly of the coach.
Page 121: Annex
ANNEX SERVICE LETERATURE Additional copies of the following service literature are available on request and at low cost. These will be helpful to your mechanic and driver. • Maintenance Manual • Operator's Manual • Parts Manual • Service Center Directory To order the desired manual(s), please contact your local distributor or write to: PRÉVOST CAR INC.
Page 122: Notice
ANNEX NOTICE Declaration Of The Manufacturing Defects To The Government Of The United States If you believe that your vehicle has defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Prévost Car Inc..

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