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PSI MG622 Operation, Service And Parts Manual

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MG622
Motor Grader
Operation, Service and Parts
Manual
Begins with Serial No.__________
Pavement Services, Inc.
IMPORTANT! It is the responsibility of the customer or user's management to
train, educate and supervise the employee in the proper operation and
maintenance of this equipment.
Pavement Services, Inc.
23416 456th Ave.
Madison SD 57042
Phone: (605) 256-0795
Fax: (605) 256-0989

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  • Page 1 MG622 Motor Grader Operation, Service and Parts Manual Begins with Serial No.__________ Pavement Services, Inc. IMPORTANT! It is the responsibility of the customer or user’s management to train, educate and supervise the employee in the proper operation and maintenance of this equipment.
  • Page 2 Page ii...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS PSI Warranty Policy ....................Page iv PSI Product Registration ....................Page v PSI Inspection Report ....................Page vii PSI Delivery Report ....................Page ix Section A - Safety ..................... Page 1-6 Section B - Specifications ..................Page 1-4 Section C - Controls &...

  • Page 4: Warranty Policy

    PSI repair facility, nor to any product which has been subject to misuse, negli- gence, or accident. The exclusive and sole remedy for breech of contract shall be limited to repair, modification or replacement at the sole discretion of PSI.

  • Page 5: Product Registration

    Address ___________________________________________________________ City, State, FOR:________________________________________________________________________ Machine & Model Number ________________________________________________________ Serial Number __________________________________________________ Delivery Date ISSUED BY:__________________________________________________________________ Authorized PSI Dealer ____________________________________________________________ City, State, Mail To: Pavement Services, Inc. 23416 456th Ave Madison, SD 57042 Telephone (605)256-0795 Fax (605)256-0989 Page v...
  • Page 6 FILL OUT OTHER SIDE OF THIS PAGE AND MAIL TO PAVEMENT SERVICES, INC. Page vi...
  • Page 7 ________Hyd. Tank _______________________________________________________ ________Grease per Lube Chart (Section E) Was machine Sold or placed in Stock ________Check/Tighten Hyd. Oil Filter(s) ________Check Tire Pressure (approx. 25 PSI) LITERATURE RECEIVED: ________Check/Tighten Wheel Lug Nuts Inspection & Delivery Report: ________ ________Install Rotating Beacon Operation, Service &...
  • Page 8 FILL OUT OTHER SIDE OF THIS PAGE AND MAIL TO PAVEMENT SERVICES, INC. Page viii...
  • Page 9 Pavement Services, Inc. 23416 456th Ave Madison, SD 57042 Telephone (605)256-0795 Fax (605)256-0989 NEW MACHINE DELIVERY REPORT Mail to Pavement Services, Inc. at above address. Model Number: _________________________________ Date: _____________________________ Serial Number: _______________________________ Delivery Location: ____________________________________________________________________ (Exact Address) Dealer Personnel Making Delivery: ________________________________________________________ (Name) (Title) Hour Meter Operating? Yes/No ________...
  • Page 10 FILL OUT OTHER SIDE OF THIS PAGE AND MAIL TO PAVEMENT SERVICES, INC. Page x...

  • Page 11: Mandatory Safety Shutdown Procedure

    ALWAYS keep this manual in a convenient place for instant reference and NEVER attempt to make repairs or adjustments that you do not fully understand. If you require additional information or service, contact you authorized PSI Dealer. REMEMBER! It is the owner’s responsibility to communicate information on the safe use and proper maintenance of this machine! This includes providing understandable interpreta- tion of these instructions for operators who are not fluent in reading English.
  • Page 12 MG622 Section A - Safety NOTE When Engine is stopped and the Starter Key Switch is in the ON position, a Light will come on until the Key Switch is in the OFF position. Loss of Battery power will result if the switch is left in the ON position.

  • Page 13: Section A - Safety

    MG622 Section A - Safety ALWAYS keep hands, feet, and arms inside of the Operator’s Station when operating the machine! ALWAYS wear appropriate personal safety gear as called for by the job or working condi- tions! ALWAYS be aware of pinch point areas on the machine such as Wheels to Frame, Cylin-...
  • Page 14 MG622 Section A - Safety ALWAYS be alert for immovable objects such as rocks, tree stumps or roots when blading! Do NOT remove the Radiator Cap when the Engine has reached operating temperature or becomes overheated. The Engine Coolant is extremely HOT and is pressurized. Exploding Engine Coolant will cause serious injury.
  • Page 15 MG622 Section A - Safety P/N 108785 Located at front on both sides of Front Frame Ass’y and on both sides of Rear Hood between Rear Wheels P/N 065927 Located on both sides at front, middle and rear of Front Frame Ass’y...
  • Page 16 MG622 Section A - Safety P/N 108787 Located in Cab at Seat Deck Safety Page 6 01-04...
  • Page 17 MG622 Section A - Safety P/N 065924 Located on both sides of Radiator Shroud P/N 072797 Located on top of Rear Hood at Diesel Tanks 01-04 Page 7 Safety...
  • Page 18 MG622 Section A - Safety NOTES: Safety Page 8 01-04...
  • Page 19 MG622 Section B - Specifications SPECIFICATIONS All Dimensions are in Inches Unless Otherwise Noted Drive System: Engine ........................4-cylinder, Turbocharged and after-cooled, liquid cooled diesel Tier II Compliant 4.04 Liter displacement Max. F.H.P. at 2,650 RPM - 133 (99.2 kw) Final Drive ..............

  • Page 20: Section B - Specifications

    Heater/Defroster/Rear Windshield Wiper Air Conditioner Lighting package Front-Wheel-Assist See your locally authorized PSI Dealer for other optional equipment and attachments. Weights and Overall Dimensions (Without Options): Operating Weight ......................22,840 lbs (10,360 kg) Front Axle Weight ......................6,695 lbs (3,037 kg) Rear Tandem Weight .....................
  • Page 21 MG622 Section B - Specifications Scarifier: Tool Bar/Scarifier Width ......................46” (1.17m) Maximum Tool Bar Height ......................22” (.56m) Down Pressure ........................ 8,100 lbs (3,674 kg) Number of Shanks ............................5 Shank Penetration ..........................9” (.23m) Minimum Turning Radius: Inside Wheel ..........................123” (3.12m) Outside Wheel ...........................
  • Page 22 MG622 Section B - Specifications NOTES: Specifications Page 4 01-04...

  • Page 23: Section C - Controls & Accessories

    MG622 Section C - Controls and Accessories CAUTION The operator must be familiar with all controls and instruments before operating the machine. All controls are within easy reach of the operator. OPERATOR’S STATION INDICATORS AND SWITCHES Ignition Key Switch and Start Button When the key is straight up and down in the Key Switch, it is in the OFF position and all electrical functions are disconnected from the electrical circuit.
  • Page 24 MG622 Section C - Controls and Accessories Battery Charge Lamp This Lamp indicates output performance of the Alternator. During normal operation, with the Engine running above idle speed, this Lamp should be OFF. During starting and when the Engine is NOT running, this Lamp should be ON.
  • Page 25 MG622 Section C - Controls and Accessories Travel/Work Mode Toggle Switch With the switch in “Travel” position, the speed range is 0 to 22 mph (0 to 35 kph). This mode is used for travelling on road ways, in 2-wheel drive. With the switch in “Work” position, the speed range is 0 to 8 mph (0 to 13 kph).

  • Page 26: Instrument Panel Indicators

    MG622 Section C - Controls and Accessories Optional INSTRUMENT PANEL INDICATORS Water Temperature Fuel Hour Meter Engine Oil Pressure Hydraulic Oil High Temp. Light Horn Button Starter Key switch Optional Tachometer 15 16 Ammeter Engine Oil Pressure Grid Heater Button (Option - Not...
  • Page 27 MG622 Section C - Controls and Accessories DRIVE FUNCTION CONTROLS Engine Throttle In Manual Mode, the Foot Pedal controls engine’s rpm from idle (1150 rpm) to max throttle (2650 rpm). In Automatic Mode, the engine rpm is set by the computer, depending on speed and direc- tion inputs from the operator and blade load.
  • Page 28 MG622 Section C - Controls and Accessories MOLDBOARD AND ATTACHMENTS CONTROLS The Left Bank & Right Bank Levers are used to activate selected Moldboard positions. NOTE: Refer to the pictures for the appropriate valve action lever in the following descriptions.
  • Page 29 MG622 Section C - Controls and Accessories Blade Tilt The Moldboard may be tilted forward or backward up to 45°. Move Lever (8) on the Left Bank Controls FORWARD to tilt the Blade forward. Pull Lever (8) BACK to tilt the Blade backward.
  • Page 30 MG622 Section C - Controls and Accessories NOTES: Controls and Accessories Page 8 01-04...

  • Page 31: Section D - Operations

    MG622 Section D - Operations PRE-START Check the machine daily to make sure all systems are in good operating condition. Perform the following before starting the machine the first time each day. Perform at least two “walk-around” inspections each working day - - once before starting the day and once at day’s end when parked for refueling and fluid checks.

  • Page 32: Engine Break-In

    MG622 Section D - Operations Before operating the machine on roads or highways, check local laws regarding the use of lights, flags, licensing, slow moving vehicle emblems (SMV), etc. ENGINE BREAK-IN Your new Engine does not require extensive break-in. However, for the first 100 hours of operation, keep the following in mind: Allow the Engine to idle for a few minutes after every cold start.
  • Page 33 MG622 Section D - Operations NOTE If the engine fails to start on the first try or it dies after only running a short time, turn the Key Switch to OFF, wait at least two minutes and repeat above steps.
  • Page 34 MG622 Section D - Operations Stopping Engine When ready to stop operating the machine use the following procedure: Bring the machine to full parking stop on a level surface. NEVER park on a slope or hill side. With all personnel clear of the machine, slowly lower hydraulic equipment flat to the ground in a positive support position.
  • Page 35 MG622 Section D - Operations For maximum cut, TILT the Moldboard to the extreme backward position. For leveling, begin with the top of the Moldboard slightly ahead of the bottom. To assist in rolling of material to the desired area, on the right or left side, adjust the ANGLE of the Moldboard accordingly.

  • Page 36: Section D - Operations

    MG622 Section D - Operations NOTES: Operations Page 6 01-04...
  • Page 37 MG622 Section E - Fuels and Lubrication FUELS NOTE Due to chemical differences in petroleum products, see the Engine Manual for recommended fuels and lubricants. The following lubricants and fluids are factory recommendations. Any lubricants, fuels or fluids which are NOT recommended here are used at your own risk. The manufacturer assumes NO responsibility for the results due to the use of any lubricants, fuels or fluids which are NOT recom- mended.
  • Page 38 MG622 Section E - Fuels and Lubrication Torque Hub Gear SAE 90 Weight Gear Oil. Greases Multi-Lube Lithium Grease NLGI #2 or equivalent. Greasing Wipe dirt from the Fittings before greasing them to prevent the dirt from being forced into the Bearings of the pivot joints.

  • Page 39: Section E - Fuels & Lubrication

    MG622 Section E - Fuels and Lubrication 01-04 Page 3 Fuels and Lubrication...
  • Page 40 MG622 Section E - Fuels and Lubrication NOTES: Fuels and Lubrication Page 4 01-04...
  • Page 41 MG622 Section F - Transporting & Theft Deterrents TRANSPORTING When loading or unloading in a congested area, be sure flagmen are used to insure the utmost SAFETY to the operator and other motorists and/or pedestrians in the area. CAUTION ALWAYS follow ALL state and local regulations regarding the operation of equipment on or across...

  • Page 42: Unloading With Ramps

    MG622 Section F - Transporting & Theft Deterrents Slowly (at the lowest Engine speed possible) and carefully drive the ma- chine up the ramps to the forward bulkhead of the trailer. CAUTION NEVER attempt to adjust travel direction (even slightly) while travelling on the ramps. Instead, back down off the ramps and then re-align the machine with the ramps.
  • Page 43 THEFT DETERRENTS THE CERTAINTY OF APPREHENSION IS A STRONG DETERRENT TO THIEV- ERY OF CONSTRUCTION EQUIPMENT! PSI has recorded all Part Numbers and Serial Numbers. Users should take as many of the following actions as possible to discour- age theft, to aid in the recovery in the event that the machine is stolen, or to reduce vandal- ism: Remove keys from unattended machines.

  • Page 44: Section F - Transporting & Theft Deterrents

    MG622 Section F - Transporting & Theft Deterrents NOTES: Transporting & Theft Deterrents Page 4 01-04...

  • Page 45: Section G - Troubleshooting

    Repairs to hydraulic components, electronic systems, engine or transmission should ONLY be done by your PSI Dealer or authorized Service Dealer. Clean or replace.
  • Page 46 MG622 Section G - Troubleshooting PROBLEM CAUSE REMEDY See Causes 6, 12. See Remedies for Causes 6, 12. White Exhaust Smoke (Refer to En- gine Manual for complete list) See Causes 1, 4-6, 8, 9, 11-13. See Remedies for Causes 1, 4-6, 8, 9, Low Power (Refer to Engine Manual 11-13.
  • Page 47 MG622 Section G - Troubleshooting PROBLEM CAUSE REMEDY Jerky Operation Of Any Accessory Control valve handle linkage. Adjust. Damage or excessive wear on Cylin- Repair or replace. der attachment parts. Unit Will Not Start (Engine Starter not Key switch inoperative.
  • Page 48 MG622 Section G - Troubleshooting PROBLEM CAUSE REMEDY Fill to proper level. Accessory Pump Noisy Low hydraulic fluid level. Tighten connections, replace damaged Suction hose/fittings leaking (pump hose. cavitations). Fill to proper level. Hydraulic Cylinders Operating Slow Low hydraulic fluid level.
  • Page 49 MG622 Section G - Troubleshooting PROBLEM CAUSE REMEDY Low hydraulic fluid level. Transmission Pump Noisy Fill to proper level. Transmission pump filter restricted. Change filter. Drive plate/Drive link assembly loose. Re-tighten. Internal pump problems. Consult an authorized Service Dealer. Hydraulic system too full.
  • Page 50 MG622 Section G - Troubleshooting PROBLEM CAUSE REMEDY Drive System Not Responsive When Transmission pump problems. Consult an authorized Service Dealer. Changing Directions Consult an authorized Service Dealer. Excessive worn drive motor causing Brakes Engaging Prematurely or loss of charge pressure.

  • Page 51: Section H - Service

    In addition, WARRANTY repairs can only be done by a PSI Dealer. They will know what portions of the machine are covered under the terms of the PSI warranty and what portions are covered by other vendor OEM warranties.

  • Page 52: Service Page

    MG622 Section H - Service NEVER weld on support frame or overhead guards without the consent of the manufac- turer. Special metals may have been used which require special welding techniques, or their design should NOT have welded repairs. NEVER cut or weld on fuel lines or tanks.

  • Page 53: Section H - Service

    MG622 Section H - Service The hydraulic Reservoir is full if the fluid is visible in the Lower Sight Gauge. If fluid is visible in the Upper Sight Gauge, the Reservoir is OVERFILLED. Excess fluid may be piped overboard through the Pressure Relief Filler Cap.
  • Page 54 MG622 Section H - Service Acid from the Battery can damage the paint and metal surfaces of the machine. Avoid overfilling the Battery cells. Whenever Battery is removed from the unit, BE SURE to disconnect the negative (-) Bat- tery terminal connection Cable first.
  • Page 55 MG622 Section H - Service If contaminants in the Element contain soot or oily deposits, it may be necessary to wash the Element. Two ounces of detergent soap mixed with a gallon of water makes a good soak/ wash solution. Soak for 15 minutes or more and rinse with clear water. Remove excess water with low air pressure.
  • Page 56 MG622 Section H - Service Oil Fill Engine Oil Dipstick The Engine Oil Filter should be changed at every oil change interval. Re- move and discard the throw away Filter canister. Wipe the Gasket sealing area of the block with a clean cloth.
  • Page 57 MG622 Section H - Service Hydraulic Fluid Filters (500 Hours or Every Season) These Filter Elements should be replaced at or before the first 25 hours on a new machine. Thereafter, replacement should be done whenever the Dash Indicator Lamp comes on, OR 500 hours AND every season.
  • Page 58 MG622 Section H - Service Jump Starting CAUTION The ONLY safe method for jump starting a discharged Battery is for TWO PEOPLE to carry out the following process. The second person is needed for removing the jumper cables so that the operator does NOT have to leave the Operator’s Seat while the Engine is running.
  • Page 59 MG622 Section H - Service Make final connection of the other end of the negative (-) jumper cable to the disabled vehicle’s Engine Block, NOT to the Battery Negative Post. When making the connection to the Engine, keep the clamp away from the Battery, Fuel Lines, Tubing, or Moving Parts.

  • Page 60: Maintenance Log

    MG622 Section H - Service MAINTENANCE LOG SERVICE EVERY 10 HOURS or DAILY COMPONENT & SERVICE REQUIRED PROCEDURE, SECTION, TOPIC REFERENCE Check Fuel Tank Level Refer to Section E - Fuels & Lubrication or Engine Manual for fuel types Check Engine Oil Level...
  • Page 61 MG622 Section H - Service MAINTENANCE LOG SERVICE EVERY 40 HOURS or WEEKLY COMPONENT & SERVICE REQUIRED PROCEDURE, SECTION, TOPIC REFERENCE Check Battery Fluid Level and Connections Refer to Section H - Service Check Fan Belt Tension & Wear Refer to Section H - Service...
  • Page 62 MG622 Section H - Service MAINTENANCE LOG SERVICE EVERY 250 HOURS COMPONENT & SERVICE REQUIRED PROCEDURE, SECTION, TOPIC REFERENCE Change Engine Oil and Filter Refer to Section H - Service Inspect & Clean Air Cleaner Element Refer to Section H - Service...
  • Page 63 MG622 Section H - Service MAINTENANCE LOG SERVICE EVERY 500 HOURS or EVERY SEASON COMPONENT & SERVICE REQUIRED PROCEDURE, SECTION, TOPIC REFERENCE Change Hydraulic System Filters & Fluid Refer to Section H - Service Change Air Cleaner Element Refer to Section H - Service...
  • Page 64 MG622 Section H - Service NOTES: Service Page 14 01-04...

  • Page 65: Section I - Storage

    MG622 Section I - Storage NOTES: 01-04 Page 1 Storage...

  • Page 66: Before Storage

    MG622 Section I - Storage If the machine will NOT be operated for a long period of time, prepare and store it using the procedures as follows. BEFORE STORAGE Perform the following prior to placing the machine in storage: Wash off the entire machine.

  • Page 67: After Storage

    MG622 Section I - Storage AFTER STORAGE After removing the machine from storage and BEFORE operating it, perform the following: Change Engine oil and Filter to remove condensation or other residuals. Wipe off grease from Cylinder rods. Lubricate ALL grease fittings.
  • Page 68 MG622 Section I - Storage NOTES: Storage Page 4 01-04...
  • Page 69 MG622 Parts Manual Pavement Services, Inc.
  • Page 70 Page ii...
  • Page 71 TABLE OF CONTENTS Frame Assembly ........................2 Front Axle Assembly ......................4 Front Hub Assembly ......................6 Front Axle Assembly - Front Wheel Assist ................8 Rear Drive Assembly ......................10 A-Frame Assembly ......................12 Front Yoke Assembly ......................14 Lift Cylinder Assembly ......................
  • Page 72 Page iv...
  • Page 73 MG622 NOTES: 01-04 Page 1 Parts Manual...

  • Page 74: Frame Assembly

    Frame Assembly MG622 Parts Manual Page 2 01-04...
  • Page 75 Frame Assembly MG622 Item Part No. Description Qty. Req. 1 ..104876 ......BEARING, SPHERICAL, 1.00 ID X 2.00 0D ..4.00 2 ..108955 ......PIN, 1.00 X 3.50 ............4.00 3 ..622101 ......REAR FRAME W/M ..........1.00 4 ..

  • Page 76: Front Axle Assembly

    Front Axle Assembly MG622 Parts Manual Page 4 01-04...
  • Page 77 Front Axle Assembly MG622 Item Part No. Description Qty. Req. 1 ..047000 ......BUSHING, BRNZ, 2.00 ID X 2.25 OD X 2.00 ..2.00 2 ..080562 ......BALL JOINT, STEERING ........1.00 3 ..104876 ......BEARING, SPHERICAL, 1.00 ID X 2.00 0D ..1.00 4 ..

  • Page 78: Front Hub Assembly

    Front Hub Assembly MG622 Parts Manual Page 6 01-04...
  • Page 79 Front Hub Assembly MG622 Item Part No. Description Qty. Req. 1 ..618527 ......WHEEL STUD, .625 X 2.50 ........16.00 2 ..622305-1 ....... WHEEL, 25 X 13.00 ..........2.00 3 ..622305-2 ....... TIRE, 12 PLY, 15.5-25 ..........2.00 4 ..

  • Page 80: Front Axle Assembly - Front Wheel Assist

    Front Axle Assembly - Front Wheel Assist MG622 Parts Manual Page 8 01-04...
  • Page 81 Front Axle Assembly - Front Wheel Assist MG622 Item Part No. Description Qty. Req. 1 ..028000 ......THRUST BEARING, KING PIN ......2.00 2 ..047000 ......BUSHING, BRNZ, 2.00 ID X 2.25 OD X 2.00 ..4.00 3 ..047200 ......BUSHING, BRNZ, 2.00 ID X 2.25 OD X 3.00 ..2.00 4 ..

  • Page 82: Rear Drive Assembly

    Rear Drive Assembly MG622 Parts Manual Page 10 01-04...
  • Page 83 MG622 Rear Drive Assembly Item Part No. Description Qty. Req. 1 ..275840 ......BUSHING, BRNZ, 7.50 OD X 7.00 ID X 2.50 ..4.00 2 ..618308 ......RETAINER PLATE ..........2.00 3 ..622101 ......REAR FRAME W/M ..........1.00 4 ..

  • Page 84: A-Frame Assembly

    A-Frame Assembly MG622 Parts Manual Page 12 01-04...
  • Page 85 A-Frame Assembly MG622 Item Part No. Description Qty. Req. 1 ..047000 ......BUSHING, BRNZ, 2.00 ID X 2.50 OD X 2.50 ..4.00 2 ..622209 ......HYDRAULIC MOTOR ..........1.00 3 ..622602 ......BLADE HANGER W/M .......... 1.00 4 ..

  • Page 86: Front Yoke Assembly

    Front Yoke Assembly MG622 (CUTAWAY) (CUTAWAY) Parts Manual Page 14 01-04...
  • Page 87 Front Yoke Assembly MG622 Item Part No. Description Qty. Req. 1 ..622102 ......FRONT FRAME W/M ..........1.00 2 ..622106-1 ....... PIN W/M, 3.25 X 11.75 ..........1.00 3 ..622107 ......PIN, 1.50 X 7.50 ............1.00 4 ..

  • Page 88: Lift Cylinder Assembly

    Lift Cylinder Assembly MG622 Parts Manual Page 16 01-04...
  • Page 89 Lift Cylinder Assembly MG622 Item Part No. Description Qty. Req. 1 ..622606 ......CIRCLE SHIFT CYLINDER ........1.00 1A ..622606-1 ....... CYLINDER SEAL KIT ..........1.00 2 ..622609 ......LOCK PIN CYLINDER ........... 2.00 2A ..622609-1 ....... CYLINDER SEAL KIT ..........1.00 3 ..

  • Page 90: Moldboard Assembly

    Moldboard Assembly MG622 BUSHING SEE A-FRAME ASSY, PG 12 Parts Manual Page 18 01-04...
  • Page 91 MG622 Moldboard Assembly Item Part No. Description Qty. Req. 1 ..108857 ......PIN W/M, 2.00 X 9.00 ..........2.00 2 ..108955 ......PIN, 1.00 X 3.50 ............4.00 3 ..622602 ......BLADE HANGER W/M .......... 1.00 4 ..622607 ......CYLINDER, BLADE TILT ........2.00 5 ..

  • Page 92: Scarifier Assembly

    Scarifier Assembly MG622 Parts Manual Page 20 01-04...
  • Page 93 MG622 Scarifier Assembly Item Part No. Description Qty. Req. 1 ..104988 ......SCARIFIER SHANK ..........5.00 2 ..108348 ......SHANK PIN .............. 5.00 3 ..108572 ......PIN, 2.00 OD X 5.50 ..........4.00 4 ..108955 ......PIN, 1.00 OD X 3.50 ..........2.00 5 ..

  • Page 94: Operator Station Assembly

    Operator Station Assembly MG622 Parts Manual Page 22 01-04...
  • Page 95 Operator Station Assembly MG622 Item Part No. Description Qty. Req. 1 ..108152 ......STEERING COLUMN, 12 INCH ......1.00 2 ..108153 ......STEERING WHEEL ..........1.00 3 ..108154 ......NUT, STEERING WHEEL ........1.00 4 ..108155 ......CAP, STEERING WHEEL ........1.00 5 ..

  • Page 96: Instrument Assembly

    Instrument Assembly MG622 CONNECTS TO HARNESS 108537 Parts Manual Page 24 01-04...
  • Page 97 Instrument Assembly MG622 Item Part No. Description Qty. Req. 1 ..041848 ......SWITCH, PUSHBUTTON ........1.00 2 ..103062 ......SWITCH, IGNITION ..........1.00 3 ..103068 ......DASH, MODULAR ..........1.00 4 ..104663 ......DASH PANEL ............1.00 5 ..

  • Page 98: Travel Control Assembly

    Travel Control Assembly MG622 Parts Manual Page 26 01-04...
  • Page 99 Travel Control Assembly MG622 Item Part No. Description Qty. Req. 1 ..618318 ......MICROCONTROLLER, S1X ........1.00 2 ..618321 ......WIRE HARNESS, TRAC CONTROL ....1.00 3 ..618328 ......COMPUTER MOUNTING BRACKET ....1.00 4 ..622211 ......MICROCONTROLLER, DVC10 ......1.00 5 ..

  • Page 100: Valve Lever Assembly

    Valve Lever Assembly MG622 STEERING CONSOLE Parts Manual Page 28 01-04...
  • Page 101 Valve Lever Assembly MG622 Item Part No. Description Qty. Req. 1 ..107218 ......VALVE LEVER, STRAIGHT ........1.00 2 ..107222 ......COVER, RH .............. 1.00 3 ..107223 ......COVER, LH .............. 1.00 4 ..108713 ......LEVER MOUNTING BRACKET ......1.00 5 ..
  • Page 102 Cab & Enclosure Panels Assembly MG622 Parts Manual Page 30 01-04...
  • Page 103 Cab & Enclosure Panels Assembly MG622 Item Part No. Description Qty. Req. 1 ..108130 ......REAR ENGINE PANEL .......... 1.00 2 ..108546 ......REAR GLASS ............1.00 3 ..108547 ......WINDSHIELD GLASS ..........1.00 4 ..108548 ......FRONT GLASS ............2.00 5 ..

  • Page 104: Decals

    Decals MG622 Item 1 Located mid-way on both sides of Front Frame Ass’y Item 2 Located mid-way on both sides of Front Frame Ass’y and top of Rear Hood Item 3 Located on top of Rear Hood Item 4 Located on top of Rear...
  • Page 105 Part No. Description Qty. Req. 1 ..622861 ......MG622 DECAL ............2.00 2 ..D0345 ......ALLIGATOR DECAL, MEDIUM ......3.00 3 ..622862 ......4 x 6 DECAL ............. 2.00* 4 ..622863 ......6 x 6 DECAL ............. 2.00* 5 ..
  • Page 106 Decals MG622 Item 10 Inside Cab on Lever Heads Item 11 Item 9 Inside Cab on Lever Heads Inside Cab Item 12 Inside Cab on Left Side Item 13 Item 14 Located on Blade Hanger of Located on Blade Frame Ass’y Hanger of Frame Ass’y...
  • Page 107 Part No. Description Qty. Req. 1 ..622861 ......MG622 DECAL ............2.00 2 ..D0345 ......ALLIGATOR DECAL, MEDIUM ......3.00 3 ..622862 ......4 x 6 DECAL ............. 2.00* 4 ..622863 ......6 x 6 DECAL ............. 2.00* 5 ..

  • Page 108: Engine Assembly

    Engine Assembly MG622 Parts Manual Page 36 01-04...
  • Page 109 Engine Assembly MG622 Item Part No. Description Qty. Req. 1 ..107402 ......ENGINE, DEUTZ, 130HP ........1.00 2 ..107411 ......OIL FILTER ELEMENT ........... 1.00 3 ..107415 ......FUEL FILTER ELEMENT ........1.00 4 ..107416 ......FAN BELT ..............1.00 5 ..

  • Page 110: Radiator Assembly

    Radiator Assembly MG622 TURBO INTAKE MANIFOLD THERMOSTAT HOUSING WATER PUMP RADIATOR MOUNTS Parts Manual Page 38 01-04...
  • Page 111 Radiator Assembly MG622 Item Part No. Description Qty. Req. 1 ..622405-01 ..... RADIATOR COOLANT CORE ......1.00 2 ..622405-02 ..... RADIATOR CAC CORE ......... 1.00 3 ..622405-03 ..... RADIATOR SHROUD ..........1.00 4 ..622405-04 ..... RADIATOR TOP TANK .......... 1.00 5 ..

  • Page 112: Engine Intake Assembly

    Engine Intake Assembly MG622 TO ENGINE INTAKE Parts Manual Page 40 01-04...
  • Page 113 Engine Intake Assembly MG622 Item Part No. Description Qty. Req. 1 ..108358 ......COBRA HEAD ADAPTER ........1.00 2 ..622404-11 ...... INSERT, 5.50 X 4.50 ..........1.00 3 ..108638 ......T-BOLT CLAMP, 3.00 ..........2.00 4 ..108639 ......T-BOLT CLAMP, 6.00 ..........1.00 5 ..

  • Page 114: Engine Exhaust Assembly

    Engine Exhaust Assembly MG622 FROM ENGINE TURBOCHARGER Parts Manual Page 42 01-04...
  • Page 115 Engine Exhaust Assembly MG622 Item Part No. Description Qty. Req. 1 ..055100 ......CLAMP, 2.50 DIA ............. 1.00 2 ..055410 ......CLAMP, 4.00 DIA ............. 2.00 3 ..104614 ......BAND CLAMP, 3.00 DIA ........2.00 4 ..104652 ......CLAMP, 3.00 DIA ............. 1.00 5 ..
  • Page 116 Fuel & Hydraulic Tanks Assembly MG622 Parts Manual Page 44 01-04...
  • Page 117 Fuel & Hydraulic Tanks Assembly MG622 Item Part No. Description Qty. Req. 1 ..104665 ......FUEL SENDING UNIT ..........1.00 2 ..108570 ......SIGHT GAUGE ............1.00 3 ..108579 ......FUEL TANK CAP ............ 1.00 4 ..108852 ......HYDRAULIC TANK CAP ........1.00 5 ..
  • Page 118 Open Loop Hydraulic Assembly MG622 Parts Manual Page 46 01-04...
  • Page 119 Open Loop Hydraulic Assembly MG622 Item Part No. Description Qty. Req. 1 ..108394 ......FITTING, FF-1231-6-8 ..........6.00 2 ..108395 ......FITTING, FF-1238-6-8 ..........1.00 3 ..108401 ......FITTING, FF-1238-20-20 ........... 2.00 4 ..108402 ......FITTING, FF-1231-12-12 ........... 1.00 5 ..

  • Page 120: Hydraulic Valve - Moldboard Circuit

    Hydraulic Valve - Moldboard Circuit MG622 Parts Manual Page 48 01-04...

  • Page 121: Hydraulic Valve Assembly

    MG622 Hydraulic Valve - Moldboard Circuit Item Part No. Description Qty. Req. 1 ..108394 ......FITTING, FF-1231-6-8 ..........4.00 2 ..108403 ......FITTING, FF-1231-6-6 ..........2.00 3 ..108416 ......FITTING, FF-1231-8-10 ..........8.00 4 ..108443 ......FITTING, FF-1238-8-8 ..........4.00 5 ..
  • Page 122 Hydraulic Valve Circuits MG622 Parts Manual Page 50 01-04...
  • Page 123 MG622 Hydraulic Valve Circuits Item Part No. Description Qty. Req. 1 ..108336 ......FITTING, 1270-10-8 ........... 4.00 2 ..108394 ......FITTING, FF-1231-6-8 ..........4.00 3 ..108409 ......FITTING, FF-1231-4-4 ..........4.00 4 ..108416 ......FITTING, FF-1231-8-10 ..........10.00 5 ..
  • Page 124 Hydraulic Valve Assembly MG622 INLET & OUTLET SECTIONS Parts Manual Page 52 01-04...
  • Page 125 Hydraulic Valve Assembly MG622 Item Part No. Description Qty. Req. 1 ..622208-01 ..... INLET BODY ............1.00 2 ..622208-02 ..... LS-PUMP UNIT ............1.00 3 ..622208-03 ..... HIGH/LOW FLOW UNIT ........1.00 4 ..622208-04 ..... CAVITY PLUG ............1.00 5 ..
  • Page 126 Hydraulic Valve Assembly MG622 FLOAT SECTIONS - SECTIONS 1 & 10 FROM INLET SECTION BLADE LIFT RH & LH Parts Manual Page 54 01-04...
  • Page 127 Hydraulic Valve Assembly MG622 Item Part No. Description Qty. Req. 1 ..622208-17 ..... FLOAT MANUAL ACTUATOR ......2.00 2 ..622208-19 ..... LEVER BRACKET ..........2.00 3 ..622208-20 ..... CAVITY PLUG ............2.00 4 ..622208-21 ..... CAVITY PLUG ............2.00 5 ..
  • Page 128 Hydraulic Valve Assembly MG622 CYLINDER SECTIONS - SECTIONS 2, 3, 7, 8 & 9 FROM INLET SECTION WHEEL LEAN, ARTICULATION, BLADE TILT, SIDE SHIFT, SCARIFIER Parts Manual Page 56 01-04...
  • Page 129 MG622 Hydraulic Valve Assembly Item Part No. Description Qty. Req. 1 ..622208-18 ..... SPRING CENTER MANUAL ACTUATOR ... 5.00 2 ..622208-19 ..... LEVER BRACKET ..........5.00 3 ..622208-20 ..... CAVITY PLUG ............10.00 4 ..622208-21 ..... CAVITY PLUG ............10.00 5 ..
  • Page 130 Hydraulic Valve Assembly MG622 CYLINDER SECTION - SECTION 4 FROM INLET SECTION CIRCLE SHIFT Parts Manual Page 58 01-04...
  • Page 131 Hydraulic Valve Assembly MG622 Item Part No. Description Qty. Req. 1 ..622208-18 ..... SPRING CENTER MANUAL ACTUATOR ... 1.00 2 ..622208-19 ..... LEVER BRACKET ..........1.00 3 ..622208-21 ..... CAVITY PLUG ............2.00 4 ..622208-22 ..... WORKING SECTION BODY ......... 1.00 5 ..
  • Page 132 Hydraulic Valve Assembly MG622 SOLENOID SECTION - SECTION 5 FROM INLET SECTION LOCK PINS Parts Manual Page 60 01-04...
  • Page 133 Hydraulic Valve Assembly MG622 Item Part No. Description Qty. Req. 1 ..622208-20 ..... CAVITY PLUG ............2.00 2 ..622208-22 ..... WORKING SECTION BODY ......... 1.00 3 ..622208-23 ..... FIXED LOAD-CHECK, LOW FLOW ....1.00 4 ..622208-26 ..... CYLINDER SPOOL, 23 GPM ......... 1.00 5 ..
  • Page 134 Hydraulic Valve Assembly MG622 MOTOR SECTION - SECTION 6 FROM INLET SECTION BLADE ANGLE Parts Manual Page 62 01-04...
  • Page 135 Hydraulic Valve Assembly MG622 Item Part No. Description Qty. Req. 1 ..622208-18 ..... SPRING CENTER MANUAL ACTUATOR ... 1.00 2 ..622208-19 ..... LEVER BRACKET ..........1.00 3 ..622208-20 ..... CAVITY PLUG ............2.00 4 ..622208-21 ..... CAVITY PLUG ............2.00 5 ..

  • Page 136: Drive System Hydraulics

    Drive System Hydraulics MG622 Parts Manual Page 64 01-04...
  • Page 137 Drive System Hydraulics MG622 Item Part No. Description Qty. Req. 1 ..108336 ......FITTING, 1270-10-8 ........... 2.00 2 ..108394 ......FITTING, FF-1231-6-8 ..........3.00 3 ..108403 ......FITTING, FF-1231-6-6 ..........1.00 4 ..108410 ......FITTING, FF-1231-4-6 ..........8.00 5 ..
  • Page 138 Drive System Hydraulics MG622 Parts Manual Page 66 01-04...
  • Page 139 MG622 Drive System Hydraulics Item Part No. Description Qty. Req. 31 ..622275 ......HOSE, 08 X 68 ............2.00 32 ..622276 ......HOSE, 08 X 108 ............1.00 33 ..622277 ......HOSE, 08 X 98 ............1.00 34 ..
  • Page 140 MG622 Electrical Schematic - Dash Parts Manual Page 68 01-04...
  • Page 141 Electrical Schematic - Engine MG622 01-04 Page 69 Parts Manual...
  • Page 142 MG622 Electrical Schematic - Travel Control Parts Manual Page 70 01-04...
  • Page 143 Electrical Schematic - Traction Control MG622 01-04 Page 71 Parts Manual...
  • Page 144 MG622 NOTES: Parts Manual Page 72 01-04...

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