Century 925 Installation, Operation, Maintenance, Parts Download | Manualshive

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I-8

Section I - SAFETY PRECAUTIONS (cont’d)

SAFETY TIPS

Don’t expect your wrecker to tow
loads equal to the wrecker rating.
Wrecker ratings apply to loads
imposed during recovery with the
wrecker properly stabilized.

Don’t pull a load with your winch
without making absolutely sure
that the winch drum clutch is
FULLY engaged.

Don’t attempt to recover heavy
loads without first estimating the
amount of pull that will be
required. Rig to keep the
estimated amount of pull well
within equipment ratings.

Don’t exceed ratings of booms,
cables, snatch blocks, or winches.
Stay within nameplate ratings.
Note that boom ratings decrease
significantly as boom is extended.

Section V - MAINTENANCE (cont’d)

5.3 LUBRICATION & PREVENTIVE MAINTENANCE (cont’d)

(b) Check hydraulic oil level in reservoir and fill to proper level.

Refer to 5.4, SUMMARY OF REQUIRED LUBRICANTS for
recommended oils to use.

(c) Replace hydraulic oil filters after first week of operation, then

every three (3) months thereafter.

(d) Inspect all bolts for tightness and re-tighten as necessary.

Vibration and stress may loosen even properly torqued bolts.

(e) Lubricate all grease fittings on the Wrecker and Wheel Lift weekly

including:

1.

Bellcranks and Control Handle Shafts

2.

Winch

3.

Cables

3

.

Cylinder Pivot Bearings

4

.

Cross Bar Pivot

5

.

Boom and Wheel Lift Slide Pads

6

.

Boom End Swivels

(f) All bearing surfaces not equipped with grease fittings should

be oiled using SAE 30 oil in a pump can.

(g) Check oil level of winches and fill to proper level, level plug

on end plates, with SAE 140 general purpose gear oil.

(h) Lubricate grease fitting on winch freespool clutch control.

(i)

Lubricate winch cables using an oily rag while respooling onto
drum. Other special cable lubricants are available which have
better penetrating qualities. Consult your local oil company for
a list of these.

V-2

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Summary of Contents for 925

Page 1: ...n structural factors only not vehicle capacities or capabilities NOTES OWNER S MANUAL Century Wrecker Item No 974W25 Century Model 925 L E G E N D A R Y FORM NO 7205001 7 95 PRICE 15 00 CENTURY A Division of Miller Industries Towing Equipment Inc P O Box 120 8503 Hilltop Drive Ooltewah Tennessee 37363 Phone 423 238 4171 FAX 423 238 5371 CENTURY ...

Page 2: ...RY MAKES NO WARRANTY EXPRESS OR IMPLIED AS TO THE FINISHED PRODUCTS MANUFACTURED OR SUPPLIED BY ANOTHER MANUFACTURER AND SUPPLIED BY CENTURY TO PURCHASER including but not limited to any vehicle to which a CENTURY product may be affixed or any accessories or wire rope and CENTURY EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AS TO SUCH EQUIPMENT ...

Page 3: ...s permission of editorial or pictorial content in any manner is prohibited Section IVA OPERATING INSTRUCTIONS WHEEL LIFT cont d 4A 9 HOOK UP FOR VEHICLE WITH FLAT TIRE S cont d i Raise the vehicle and place blocks on timbers beneath the flat tire Lower the Wheel Lift allowing the tire to rest on the blocking j Engage parking brake and place transmission in gear park of the disabled vehicle k Exten...

Page 4: ...tion V MAINTENANCE V 1 thru V 7 MAINTENANCE RECORD V 6 V 7 Section VI PARTS VI 1 thru VI 38 BODY ASSEMBLY VI 2 VI 3 FORMULA III ASSEMBLY VI 4 VI 5 FORMULA III HYDRAULICS STANDARD VI 6 VI 7 WITH OPTIONAL HAND HELD REMOTE VI 8 VI 9 OUTER CROSSBAR LIFT ADAPTERS VI 10 VI 11 925 WRECKER ASSEMBLY VI 12 VI 13 Section IVA OPERATING INSTRUCTIONS WHEEL LIFT cont d IVA 12 4A 10 OUTER CROSS TUBE REMOVAL a Loo...

Page 5: ...CS VI 27 LIGHTBAR ASSEMBLY VI 28 HEAVY DUTY TRUCK HITCH VI 29 LIGHT KIT VI 30 thru VI 32 GLAD HAND ASSEMBLY VI 33 AIR OPERATED FREE SPOOL CLUTCH VI 34 VI 35 KING PIN ASSEMBLY VI 36 CONVENIENCE GROUP VI 37 VERNIER THROTTLE VI 38 Section VII SCHEMATICS ELECTRICAL VII 1 thru VII 10 HYDRAULIC VII 11 VII 12 Section IVA OPERATING INSTRUCTIONS WHEEL LIFT cont d IVA 13 4A 11 TOW FORK ADAPTERS cont d FIGUR...

Page 6: ...locked up high enough to allow forks to clear axle when installed onto the crossbar d Block up tires and lower Boom until boom can be retracted for installation of adapters and forks e Install adapters in desired configuration on crossbar Select and install desired forks into adapters Refer to Figure 4A 19 f Extend Boom until Forks are beneath axle or frame as desired g Manually adjust adapters on...

Page 7: ...lose at hand As a wrecker operator you must develop an awareness of the hazards involved You must use every safeguard within reason to prevent injuries For each step in operating your wrecker develop the habit of asking yourself if it is safe to proceed Carefully check all rigging especially snatch blocks before starting a heavy lift or pull We cannot warn you of all the possible dangers you will ...

Page 8: ... ALL RIGHT AT THE END OF WORK YESTERDAY BEFORE BEGINNING OPERATION THOROUGHLY INSPECT THE ENTIRE WRECKER TO BE SURE IT IS IN GOOD OPERATING CONDITION 3 VISUALLY INSPECT THE WRECKER FOR EVIDENCE OF PHYSICAL DAMAGE SUCH AS CRACKING BENDING OR DEFORMATION OF PLATES OR WELDS INSPECT CAREFULLY FOR CRACKING OR FLAKING OF PAINT WHICH MAY INDICATE A DANGEROUS CRACK IN THE STRUCTURE BENEATH DO NOT OPERATE ...

Page 9: ... APPLY ANY LOAD WHICH IS GREATER THAN RATED LOAD SHOWN ON THE DATA PLATE 9 DO NOT USE THIS EQUIPMENT EXCEPT ON SOLID LEVEL SURFACE WITH STABILIZERS PROPERLY EXTENDED AND TRUCK BRAKES LOCKED 10 OPERATE ALL CONTROLS SLOWLY AND SMOOTHLY TO AVOID DAMAGE TO WRECKER OR INJURY TO PERSONNEL 11 DO NOT OPERATE WALK OR STAND BENEATH BOOM OR A SUSPENDED LOAD 12 NEVER LIFT LOAD OVER ANYONE 13 DO NOT USE BOOM T...

Page 10: ...IS WRECKER AN UNTRAINED OPERATOR SUBJECTS HIMSELF AND OTHERS TO DEATH OR SERIOUS INJURY STAND CLEAR WHILE OPERATING OUTRIGGERS USE SAFETY CHAINS ON ALL TOWING AND LIFTING APPLICATIONS Section IVA OPERATING INSTRUCTIONS WHEEL LIFT cont d 4A 13 SPRING LIFT BRACKETS cont d e Raise the boom until the spring lift brackets are properly seated under the springs at the front spring brackets See Figure 4A ...

Page 11: ...ssible with swaged cable termination IVB 1 FIGURE 4B 1 2 Turn steering wheel so that front wheels are directed straight ahead 3 Insert latch of steering wheel lock into its buckle Make sure it locks in place See Figure 4B 1 4 Place steering wheel grip on bottom of steering wheel and secure it by tightening jam nut against sliding clamp 5 Hook seat grip under the front edge of auto seat or to a rig...

Page 12: ...nitial load and retighten all nuts to recommended torque Inspect periodically and retighten as needed to the recommended torque CLIP SIZE INCHES MINIMUM NO OF CLIPS AMOUNT OF ROPE TO TURN BACK IN INCHES TORQUE IN FT LBS 3 8 7 16 1 2 9 16 5 8 3 4 2 2 3 3 3 4 6 1 2 7 11 1 2 12 12 18 45 65 65 95 95 130 This table is based on Crosby Laughlin IVB 2 4B 2 INSTRUCTIONS FOR REMOVAL 1 Press button on buckle...

Page 13: ...e system can cause extensive damage to pumps motors and valves CENTURY has taken every measure to assure that each component and fitting was thoroughly cleaned before your unit was shipped to you Therefore servicing of the system should be done with extreme care a Before checking oil level in reservoir wipe away all dirt grease and grime around filler cap before removing it Make certain that all c...

Page 14: ... 4 SUMMARY OF REQUIRED LUBRICANTS for recommended oils to use c Replace hydraulic oil filters after first week of operation then every three 3 months thereafter d Inspect all bolts for tightness and re tighten as necessary Vibration and stress may loosen even properly torqued bolts e Lubricate all grease fittings on the Wrecker and Wheel Lift weekly including 1 Bellcranks and Control Handle Shafts...

Page 15: ...cific temperature requirements NOTE THERE IS NO PRACTICAL WAY TO DETERMINE THE LIFE EXPECTANCY OF HYDRAULIC HOSES AND OTHER RUBBER COMPONENTS WHILE APPEARING TO BE IN EXCELLENT CONDITION THESE COMPONENTS MAY BE ADVERSELY AFFECTED BY USAGE WEATHER OR THE PASSING OF TIME THEREFORE IT IS RECOMMENDED THAT ALL RUBBER COMPONENTS ESPECIALLY HOSES BE REPLACED EVERY FIVE 5 YEARS REGARDLESS OF APPEARANCE 5 ...

Page 16: ... SHOULD BE SERVICED MONTHLY SERVICE MORE OFTEN IF THE EQUIPMENT IS USED FREQUENTLY 5 6 LUBRICATION WRECKER 1 Control Handle Shafts synthetic fortified grease 2 Cable oily rag or approved cable lubricant 3 Winches SAE 140 gear oil to proper level 4 Cylinder Pivot Bearings synthetic fortified grease 5 Winch Freespool synthetic fortified grease 6 Hydraulic Reservoir approved hydraulic fluid to proper...

Page 17: ...gned for this purpose Don t tow a vehicle that reduces the weight on the front wheels of your wrecker more than 40 percent Section V MAINTENANCE cont d V 5 NOTE THE ABOVE SERVICE REQUIREMENTS SHOULD BE SERVICED MONTHLY SERVICE MORE OFTEN IF THE EQUIPMENT IS USED FREQUENTLY 5 7 LUBRICATION WHEEL LIFT 1 Lift Cylinder Pivot Bearings synthetic fortified grease 2 Upper Arm Assembly synthetic fortified ...

Page 18: ...owed vehicle Don t travel with the wrecker PTO engaged Engage it only while operating the wrecker controls Don t tow a vehicle on its drive wheels unless steps have been taken to protect its transmission and differential Follow recommendations of the vehicle manufacturer As an alternative use a towing dolly Section V MAINTENANCE cont d MAINTENANCE RECORD DATE MECHANIC WEEKLY MONTHLY QUARTERLY SERV...

Page 19: ...l is secured with the front wheels straight ahead Don t tow a vehicle at night without proper signal lights on the towed vehicle and the wrecker Don t drive wrecker with boom elevated Section V MAINTENANCE cont d MAINTENANCE RECORD DATE MECHANIC WEEKLY MONTHLY QUARTERLY SERVICE PERFORMED IMPORTANT HYDRAULIC HOSES AND CABLES SHOULD BE INSPECTED WEEKLY FOR SIGNS OF ABRASION V 7 ...

Page 20: ...issue here is safety Unsafe steering may cause a serious accident It is recommended that a safe steering formula that maintains at least 40 percent of the UNLADEN unloaded front axle weight for towing be used That formula is expressed as follows ML 6 FAW x WB OH where ML maximum lifted load for safe steering FAW unladen unloaded weight at front axle WB wheel base or distance between the center of ...

Page 21: ...4 25 26 27 28 29 30 31 32 33 1 6 2 2 2 2 2 1 2 1 2 2 1 2 10 6 7 FT 1 1 4 1 1 1 1 2 2 4 2 2 6 6 1 1 0300011 0300044 0300052 0300055 0300071 0300113 0300165 0301782 0300209 0300365 0301375 0301377 0301473 0301522 0301580 0301620 0301674 0302179 0301731 0302881 0303101 0303102 0303103 0303160 0303169 0303170 0303171 0400090 0400140 0400367 0400392 0700238 HD130 VALVE 4 SPOOL CONNECTOR 6MJ 8MB ELBOW 8...

Page 22: ...NOTES Section VI PARTS cont d VI 8 FORMULA III WHEEL LIFT HYDRAULICS with OPTIONAL HAND HELD REMOTE ...

Page 23: ...522 0301580 0301620 0301674 0302179 0302476 0302881 0303101 0303102 0303103 0303160 0303169 0303170 0303171 0400090 0400140 0400367 0400392 0700238 HD130 0301388 0301471 0301547 0301883 0301996 0302581 0302604 0302610 0302814 VALVE 4 SPOOL CONNECTOR 6MJ 8MB ELBOW 8MJ 10MB90 HOSEBARB 12C4 12MP CLAMP HOSE 1 GREASE FITTING HOSE ASSEMBLY 91 H P BRANCH TEE 6MJ 6MJ 4MP ELBOW 6MJ 6MP90 CLAMP CHECK VALVE ...

Page 24: ...III Wheel Lift will have a SERIAL NUMBER LABEL mounted on the outer boom support Additionally each CENTURY 925GSA Wrecker will have a DATA RATING PLATE mounted to the wrecker body These labels will display the Model Number Serial Number Lift Tow and Cable Ratings See Figures 2 2 2 3 and 2 4 Section VI PARTS cont d VI 10 FORMULA III OUTER CROSSTUBE LIFT ADAPTERS FIGURE 2 3 WHEEL LIFT FIGURE 2 2 WRE...

Page 25: ... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 REF 1 6 4 2 1 1 2 1 1 1 2 1 1 REF 1 1 1 2 1 1 1 1 2 2 2 1 1 1 0300011 0300041 0300113 0300229 0300657 0300710 0300761 0300764 0300766 0301113 0301388 0301445 0301659 0302145 0302179 0302321 0302508 0302796 0303091 0303165 0303429 0303428 0303168 0400069 0400366 0400452 0700238 0710437 0710438 VALVE 4 SPOOL CONNECTOR 8MJ...

Page 26: ...cted 35 inches Tilt Angle Above Horizontal 10 degrees Below Horizontal 10 degrees L Bar Rating Retracted 6 000 lbs Extended 6 000 lbs T E M A 6 000 lbs 2 5 CHASSIS RECOMMENDATIONS Min GVWR Gross Vehicle Weight Rating 21 600 lbs Min CA Cab to Axle Dimension 138 Min Frame Length Behind Centerline of Axle 36 1 2 Section VI PARTS cont d VI 16 WINCH MOTOR HYDRAULICS REF NO NO REQ D PART NUMBER DESCRIPT...

Page 27: ...ch Wide Body with Flat Floor Dual Rear Controls Federal Standard 108 Lighting Wiring Harness Fold Away Tow Hitch Brackets Heavy Duty Truck Hitch Vernier Throttle Control Snatch Blocks Convenience Group Safety Chains Note Specifications Subject to Change without Notification Section VI PARTS cont d VI 17 HYDRAULIC CYLINDERS WRECKER BOOM LIFT CYLINDER REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 1 1 ...

Page 28: ...T LIFT CYLINDER REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 2 0303101 0304499 CYLINDER LIFT COMPLETE KIT WHEEL LIFT LIFT CYLINDER SEAL WHEEL LIFT EXTEND CYLINDER REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 1 HD130 HD163 CYLINDER EXTEND COMPLETE KIT WHEEL LIFT LIFT CYLINDER SEAL ...

Page 29: ...universal joint is required See Figure 3 1 FIGURE 3 1 3 2 Each function of the Wrecker can be controlled from either of the dual Control Stations located at the rear of the wrecker body See Figure 3 2 FIGURE 3 2 III 1 Section VI PARTS cont d VI 19 HYDRAULIC CYLINDERS WHEEL LIFT WHEEL LIFT TILT CYLINDER REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 1 1 0303102 0303103 0304500 CYLINDER TILT LEFT CYLIN...

Page 30: ...ntrol station is used to vary the speed of the truck engine to govern the maximum speed of the winches and cylinders See Figure 3 3 FIGURE 3 3 3 5 The Wrecker Boom is extended and elevated by means of double acting cylinders The boom can be elevated or extended under either LOAD or NO LOAD conditions 3 6 The self locking worm driven winch is powered by its own hydraulic motor attached directly to ...

Page 31: ...7 18 19 20 21 22 23 24 25 26 27 REF 2 4 4 2 2 8 6 20 FT 2 2 2 1 2 10 FT 2 2 REF 1 2 1 1 2 2 2 2 2 0300011 0300052 0300055 0300071 0300165 0300288 0300364 0300666 0300671 0300891 0301373 0301375 0301507 0301523 0301547 0301674 0302088 0302113 0302179 0302242 0302983 0303032 0303033 0400188 0400408 5823017 5823076 5828022 VALVE 4 SPOOL ELBOW 8MJ 8MB90 HOSE BARB 12C4 12MP CLAMP HOSE 1 HOSE ASSEMBLY H...

Page 32: ...6 3 9 Always use SAFETY CHAINS on all towing and lifting applications The safety chains are located on the top rear of the wrecker body See Figure 3 7 Refer to Section 4 8 for proper safety chain procedures FIGURE 3 7 Section VI PARTS cont d VI 22 CONTROLS CROSSRODS ...

Page 33: ... VI 27 REAR JACK HYDRAULICS REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 3 4 5 6 7 8 9 REF 4 2 2 2 2 4 REF 4 0300011 0300040 0300041 0300680 0301445 0301816 0302032 0302179 0302473 VALVE 4 SPOOL CONNECTOR 8MJ 8MP CONNECTOR 8MJ 8MB JACK CYLINDER CONNECTOR EXTENDED 8MJ 8MBL FITTING 45 NIPPLE BLACK PIPE 1 2 X 6 VALVE 5 SPOOL HOSE ASSEMBLY ...

Page 34: ...1246 0702376 0702381 0800768 0800769 0300095 0300117 0300442 0301359 0400027 0400408 0400480 0800539 925 LIGHT BAR KIT PLATE SPOTLIGHT MOUNTING CROSS CHANNEL LEFT SUPPORT TUBE RIGHT SUPPORT TUBE SPOTLIGHT W GASKET GROMMET RUBBER LIGHT 3 BAR LIGHT WRECKER SPECIAL SCREW 8 32 X 5 8 SELF TAPPING NUT 1 2 13 HEX NYLOK WASHER 1 2 FLAT ADAPTER T BOLT ...

Page 35: ...s an option is dash mounted and controls the FORMULA III Wheel Lift IIIA 1 Section VI PARTS cont d VI 29 HEAVY DUTY TRUCK HITCH REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 1 3 2 4 4 1 1 2 2 2 2 2 2 2 2 2 2 6 2 2 124001041 0301205 0900100 0300113 0300335 0400190 0400408 0800181 0800182 0800409 0900187 0300004 0300331 0400561 0400563 0700526 0800343 0...

Page 36: ...e clearly marked for each function and direction See Figure 3A 2 FIGURE 3A 2 Section VI PARTS cont d VI 30 LIGHT KIT REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 2 2 2 6 0303123 0303177 0303124 0303128 LIGHT SEALED RED STOP TURN LIGHT SEALED AMBER TURN LIGHT SEALED CLEAR BACKUP TAIL LIGHT GROMMET REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 4 2 6 0303125 0303126 0303127 LIGHT SEALED MARKER RED LIGHT...

Page 37: ... ADAPTERS 2 FORK SHORT Section VI PARTS cont d VI 31 LIGHT KIT REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 3 4 5 6 7 1 1 1 2 2 2 2 0300076 0300117 0300273 0300512 0400061 0400366 0400452 LICENSE PLATE BRACKET GROMMET RUBBER LICENSE PLATE ILLUMINATOR BULB LICENSE PLATE ILLUMINATOR SCREW 1 4 20 X 3 4 PAN HD SLOTTED NUT 1 4 20 HEX LOCKWASHER 1 4 HELICAL REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 2 2...

Page 38: ...NOTES Section VI PARTS cont d VI 32 REF NO NO REQ D PART NUMBER DESCRIPTION 4 0302544 DOME LIGHT M390S COMPLETE LIGHT KIT ...

Page 39: ...center of disabled vehicle to be towed b Reduce truck s engine to idle and apply parking brake Depress clutch place transmission in neutral and engage PTO by pulling knob located on panel in cab See Figure 4 1 FIGURE 4 1 IV 1 Section VI PARTS cont d VI 33 GLAD HAND ASSEMBLY REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 1 2 2 2 2 1 9 2 2 4 2 2 1 1 0301862 0301909 030...

Page 40: ...AD VEHICLE cont d 4 4 CABLE PAYOUT Before operating any control handles observe the winch cables to make sure they are free and have sufficient slack to allow the boom to extend If not payout cable by using the Cable IN OUT Controls or switch on the Air Operated Free Spool switch and manually pull cables out to a sufficient length for boom extension 4 5 BOOM ELEVATION Elevate boom to the desired h...

Page 41: ...131 0400367 0400392 0400412 0400480 0400520 0400530 0400543 0701078 0702382 0702397 0702398 0702399 0800772 SOLENOID VALVE TOGGLE SWITCH SWITCH BOOT ELBOW TEE AIR CYLINDER SCREW 10 32 X 3 8 PAN HD SCREW 3 8 16 X 1 3 4 HEX HD CAP NUT 1 4 20 LOCK NUT 3 8 16 LOCK NUT 1 2 20 HEX JAM FLAT WASHER 3 8 LOCKWASHER 10 CLEVIS PIN 5 16 X 1 1 4 COTTER PIN 1 8 X 3 4 BRACKET MOUNTING ANGLE AIR LINE 12 AIR LINE 2...

Page 42: ...1259 VA0660 VA0661 VA0662 SCREW 1 2 13 X 2 HEX HD CAP SCREW 3 4 10 X 2 3 4 HEX HD CAP SCREW 7 8 9 X 8 HEX HD CAP NUT 3 4 10 HEX JAM LOCKWASHER 1 2 HELICAL LOCKWASHER 7 8 HELICAL ADAPTER TRAILER KING PIN NOT SHOWN BRACKET WELDMENT LOCK PLATE WELDMENT FIFTH WHEEL ADAPTER COMPLETE SCREW 7 8 9 X 2 1 2 HEX HD CAP ROLL PIN 3 8 X 1 1 2 PIN SNAPPER 5TH WHEEL PIVOT PLATE WELDMENT PULL PIN WELDMENT PIVOT PI...

Page 43: ...UMBER DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 4 8 10 18 36 8 36 8 8 8 2 2 0300097 0300188 0300496 0400026 0400043 0400101 0400358 0400381 0400463 0400464 5827051 7207018 FOLDING STEP B2797 STAINLESS STEEL STANCHION AFT WITH SETSCREW STANCHION CENTER WITH SETSCREW SCREW 8 32 X 1 4 HDLESS ALLEN SET SCREW 10 24 X 1 OVAL HD PHILLIPS SCREW 5 16 18 X 1 RD HD MCH SLOTTED NUT 10 24 HEX LOCK NUT 5 16 18 HEX...

Page 44: ...ttach to chassis around axle leaf springs frame or A frame See Figures 4 7 thru 4 10 IV 6 FIGURE 4 7 AXLE HOOK UP FIGURE 4 8 LEAF SPRING HOOK UP WRECKER cont d VERNIER THROTTLE CONTROL CABLE REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 1 1 0300182 0300722 STOP COLLAR 516 HD1255 THROTTLE CONTROL CABLE 30 Section VI PARTS cont d VI 38 ...

Page 45: ...RICAL SCHEMATICS RED STOP YELLOW LEFT TURN LEFT STOP TURN BEYOND CONVE GREEN RIGHT TURN RIGHT STOP TURN BEYOND CONV BROWN MARKER RUNNING WHITE GROUND BLACK BACK UP ORANGE HOT TOOLBOX LIGHTS RELAYS BLUE REAR WORK LIGHTS TAN PYLON WORK LIGHTS BEACON FLASHERS RED BLACK POWER TO FREEWHEEL SWITCHES CONTROL STATION LIGHTS RED WHITE POWER TO WHEEL LIFT REMOTE PURPLE LEFT FREEWHEEL PURPLE BLACK RIGHT FREE...

Page 46: ...N 1 2 3 4 5 6 JUNCTION BOX 1 GREEN BROWN YELLOW WHITE BLACK RED RIGHT TURN RIGHT TURN STOP BEYOND CONVERTER RELAYS ALL MARKER RUNNING LIGHTS LICENSE PLATE ILLUMINATOR 3 BAR LIGHTS LEFT TURN LEFT TURN STOP BEYOND CONVERTER RELAYS GROUND BACKUP LIGHTS BACKUP ALARM STOP STOP TURN TO CONVERTER RELAYS 7 8 9 10 11 12 JUNCTION BOX 2 BLUE TAN RED WHITE ORANGE REAR WORK LIGHTS TOP PYLON WORK LIGHTS BEACON ...

Page 47: ... located on the left hand side of the wrecker body DO NOT EXCEED 1500 RPM IVA 1 VII 3 Section VII ELECTRICAL SCHEMATICS WRECKER BODY LIGHTING JUNCTION BOX 1 GREEN BROWN YELLOW WHITE BLACK RED WHITE BROWN RIGHT FRONT MARKER AMBER MARKER AMBER LEFT FRONT BROWN WHITE SIDE MARKER RED RIGHT REAR SIDE MARKER RED LEFT REAR JUNCTION BOX GROUND BROWN WHITE BROWN WHITE BLACK WHITE GREEN WHITE RED BROWN WHIT...

Page 48: ...ITE BLACK GREEN BLACK W L UP ORANGE BLACK TILT UP BLACK WHITE EXTEND IN WHITE SOLENOID VALVE ALL WIRE 14 GAGE ORANGE BLUE BLACK WHITE BLACK GREEN WHITE RED MALE FEMALE EXTEND OUT EXTEND IN WHEEL LIFT DOWN WHEEL LIFT UP TILT DOWN TILT UP WHEEL LIFT REMOTE CONTROL HAND HELD 1 2 3 4 5 6 7 1 2 3 4 5 6 7 RED WHITE GREEN GREEN BLACK PINK RED WHITE POLE ORIENTATION POLE ORIENTATION FEMALE AT TRUCK MALE L...

Page 49: ... until the crosstubes are firmly against the tires of the vehicle to be towed Take the truck out of gear and apply parking brake VII 5 Section VII ELECTRICAL SCHEMATICS TOWLIGHT PLUG WIRING REAR VIEW FEMALE DETAIL A TOWLIGHT PLUG ORIENTATION SEE DETAIL A ALL WIRE 14 GAGE 1 2 3 4 5 6 7 8 9 10 11 12 YELLOW GREEN WHITE BROWN WHITE YELLOW WHITE WHITE GREEN ORANGE JUNCTION BOX 1 JUNCTION BOX 2 RELAY 1 ...

Page 50: ...on VII ELECTRICAL SCHEMATICS STOP TURN LIGHT AT PYLON JUNCTION BOX 1 JUNCTION BOX 2 RELAY 1 RELAY 2 1 2 3 4 5 6 7 8 9 10 11 12 ALARM BACKUP RT TURN STOP RUNNING LT TURN STOP RUNNING BACKUP BACKUP BROWN WHITE BLACK WHITE GREEN WHITE BLACK WHITE BLACK WHITE BROWN BLACK YELLOW ORANGE GREEN YELLOW FROM CHASSIS HARNESS COLOR CODES FROM JUNCTION BOX TO MME CONVERTER AND RELAYS RED BLACK WHITE YELLOW BRO...

Page 51: ...HE VEHICLE TO BE TOWED WHEN WHEEL LIFT IS IN ITS RAISED POSITION TO AVOID ANY DAMAGE FROM THE TIRE RESTRAINTS ADJUST OUTER CROSS TUBES TO THE DESIRED POSITION f Repeat procedures c through e on opposite side of vehicle g Take vehicle out of gear and make certain parking brake is off h Using the Wheel Lift Lift UP DOWN Control raise the vehicle to desired towing height FIGURE 4A 8 VII 7 Section VII...

Page 52: ...t the desired length of Safety Strap c Position Safety Strap over top of tire as shown in Figure 4A 10 Make certain that the round portion of the D Ring is towards the Wheel Lift FIGURE 4A 9 FIGURE 4A 10 VII 8 Section VII ELECTRICAL SCHEMATICS FREEWHEEL SCHEMATIC RT SOLENOID FREEWHEEL LT SOLENOID FREEWHEEL RED BLACK RT FREEWHEEL LT FREEWHEEL RT FREEWHEEL LT FREEWHEEL JUNCTION BOX 2 PURPLE BLACK PU...

Page 53: ...TRAP EXTENSION THAT IS PROVIDED SEE FIGURE 4A 11 FOR APPLICATION METHOD d Release Ratchet Lock and tighten Safety Strap around tire securely with ratchet See Figure 4A 12 FIGURE 4A 11 FIGURE 4A 12 VII 9 Section VII ELECTRICAL SCHEMATICS TOOLBOX LIGHT SCHEMATIC 7 8 9 10 11 12 ORANGE LIMIT SWITCH RIGHT FRONT GROUND GROUND LEFT FRONT LIMIT SWITCH LEFT REAR LIMIT SWITCH ORANGE ORANGE JUNCTION BOX 2 GR...

Page 54: ...GEAR AND DISENGAGE PARKING BRAKE NOTE THE CLOSER TO THE TAILGATE OF THE WRECKER A VEHICLE IS TOWED THE MORE FRONT END WEIGHT WILL BE AVAILABLE FOR STEERING DURING TOW VII 10 Section VII ELECTRICAL SCHEMATICS WIRING PARTS LIST PART NUMBER DESCRIPTION NO REQ D 0300134 0300188 0301601 0301671 0301800 0301909 0302380 0302558 7203001 7203002 7203003 5823031 5823032 5823033 5823034 5823035 5823036 58230...

Page 55: ... UP FOR VEHICLE WITH FLAT TIRE S a Loosen T Handle and extend outer crosstubes until tire restraint retainers are just beyond the outer sidewalls of tires on disabled vehicle Refer to Figure 4A 2 b Lower Wheel Lift to ground then raise until Wheel Lift just clears ground level c Fully extended Wheel Lift Boom then retract approximately 3 inches d After all preparations are complete back the Wheel ...

Page 56: ...s possible against the flat tire s This should allow the crossbar to compress the tire completely See Figure 4A 13 g Install tire restraint onto flat tire See Figure 4A 14 h Place transmission in neutral and disengage parking brake on disabled vehicle FIGURE 4A 13 FIGURE 4A 14 Section VII HYDRAULIC SCHEMATICS with OPTIONAL HAND HELD REMOTE VII 12 ...

Page 57: ...s permission of editorial or pictorial content in any manner is prohibited Section IVA OPERATING INSTRUCTIONS WHEEL LIFT cont d 4A 9 HOOK UP FOR VEHICLE WITH FLAT TIRE S cont d i Raise the vehicle and place blocks on timbers beneath the flat tire Lower the Wheel Lift allowing the tire to rest on the blocking j Engage parking brake and place transmission in gear park of the disabled vehicle k Exten...

Page 58: ...tion V MAINTENANCE V 1 thru V 7 MAINTENANCE RECORD V 6 V 7 Section VI PARTS VI 1 thru VI 38 BODY ASSEMBLY VI 2 VI 3 FORMULA III ASSEMBLY VI 4 VI 5 FORMULA III HYDRAULICS STANDARD VI 6 VI 7 WITH OPTIONAL HAND HELD REMOTE VI 8 VI 9 OUTER CROSSBAR LIFT ADAPTERS VI 10 VI 11 925 WRECKER ASSEMBLY VI 12 VI 13 Section IVA OPERATING INSTRUCTIONS WHEEL LIFT cont d IVA 12 4A 10 OUTER CROSS TUBE REMOVAL a Loo...

Page 59: ...CS VI 27 LIGHTBAR ASSEMBLY VI 28 HEAVY DUTY TRUCK HITCH VI 29 LIGHT KIT VI 30 thru VI 32 GLAD HAND ASSEMBLY VI 33 AIR OPERATED FREE SPOOL CLUTCH VI 34 VI 35 KING PIN ASSEMBLY VI 36 CONVENIENCE GROUP VI 37 VERNIER THROTTLE VI 38 Section VII SCHEMATICS ELECTRICAL VII 1 thru VII 10 HYDRAULIC VII 11 VII 12 Section IVA OPERATING INSTRUCTIONS WHEEL LIFT cont d IVA 13 4A 11 TOW FORK ADAPTERS cont d FIGUR...

Page 60: ...locked up high enough to allow forks to clear axle when installed onto the crossbar d Block up tires and lower Boom until boom can be retracted for installation of adapters and forks e Install adapters in desired configuration on crossbar Select and install desired forks into adapters Refer to Figure 4A 19 f Extend Boom until Forks are beneath axle or frame as desired g Manually adjust adapters on...

Page 61: ...lose at hand As a wrecker operator you must develop an awareness of the hazards involved You must use every safeguard within reason to prevent injuries For each step in operating your wrecker develop the habit of asking yourself if it is safe to proceed Carefully check all rigging especially snatch blocks before starting a heavy lift or pull We cannot warn you of all the possible dangers you will ...

Page 62: ... ALL RIGHT AT THE END OF WORK YESTERDAY BEFORE BEGINNING OPERATION THOROUGHLY INSPECT THE ENTIRE WRECKER TO BE SURE IT IS IN GOOD OPERATING CONDITION 3 VISUALLY INSPECT THE WRECKER FOR EVIDENCE OF PHYSICAL DAMAGE SUCH AS CRACKING BENDING OR DEFORMATION OF PLATES OR WELDS INSPECT CAREFULLY FOR CRACKING OR FLAKING OF PAINT WHICH MAY INDICATE A DANGEROUS CRACK IN THE STRUCTURE BENEATH DO NOT OPERATE ...

Page 63: ... APPLY ANY LOAD WHICH IS GREATER THAN RATED LOAD SHOWN ON THE DATA PLATE 9 DO NOT USE THIS EQUIPMENT EXCEPT ON SOLID LEVEL SURFACE WITH STABILIZERS PROPERLY EXTENDED AND TRUCK BRAKES LOCKED 10 OPERATE ALL CONTROLS SLOWLY AND SMOOTHLY TO AVOID DAMAGE TO WRECKER OR INJURY TO PERSONNEL 11 DO NOT OPERATE WALK OR STAND BENEATH BOOM OR A SUSPENDED LOAD 12 NEVER LIFT LOAD OVER ANYONE 13 DO NOT USE BOOM T...

Page 64: ...IS WRECKER AN UNTRAINED OPERATOR SUBJECTS HIMSELF AND OTHERS TO DEATH OR SERIOUS INJURY STAND CLEAR WHILE OPERATING OUTRIGGERS USE SAFETY CHAINS ON ALL TOWING AND LIFTING APPLICATIONS Section IVA OPERATING INSTRUCTIONS WHEEL LIFT cont d 4A 13 SPRING LIFT BRACKETS cont d e Raise the boom until the spring lift brackets are properly seated under the springs at the front spring brackets See Figure 4A ...

Page 65: ...ssible with swaged cable termination IVB 1 FIGURE 4B 1 2 Turn steering wheel so that front wheels are directed straight ahead 3 Insert latch of steering wheel lock into its buckle Make sure it locks in place See Figure 4B 1 4 Place steering wheel grip on bottom of steering wheel and secure it by tightening jam nut against sliding clamp 5 Hook seat grip under the front edge of auto seat or to a rig...

Page 66: ...nitial load and retighten all nuts to recommended torque Inspect periodically and retighten as needed to the recommended torque CLIP SIZE INCHES MINIMUM NO OF CLIPS AMOUNT OF ROPE TO TURN BACK IN INCHES TORQUE IN FT LBS 3 8 7 16 1 2 9 16 5 8 3 4 2 2 3 3 3 4 6 1 2 7 11 1 2 12 12 18 45 65 65 95 95 130 This table is based on Crosby Laughlin IVB 2 4B 2 INSTRUCTIONS FOR REMOVAL 1 Press button on buckle...

Page 67: ...e system can cause extensive damage to pumps motors and valves CENTURY has taken every measure to assure that each component and fitting was thoroughly cleaned before your unit was shipped to you Therefore servicing of the system should be done with extreme care a Before checking oil level in reservoir wipe away all dirt grease and grime around filler cap before removing it Make certain that all c...

Page 68: ... 4 SUMMARY OF REQUIRED LUBRICANTS for recommended oils to use c Replace hydraulic oil filters after first week of operation then every three 3 months thereafter d Inspect all bolts for tightness and re tighten as necessary Vibration and stress may loosen even properly torqued bolts e Lubricate all grease fittings on the Wrecker and Wheel Lift weekly including 1 Bellcranks and Control Handle Shafts...

Page 69: ...cific temperature requirements NOTE THERE IS NO PRACTICAL WAY TO DETERMINE THE LIFE EXPECTANCY OF HYDRAULIC HOSES AND OTHER RUBBER COMPONENTS WHILE APPEARING TO BE IN EXCELLENT CONDITION THESE COMPONENTS MAY BE ADVERSELY AFFECTED BY USAGE WEATHER OR THE PASSING OF TIME THEREFORE IT IS RECOMMENDED THAT ALL RUBBER COMPONENTS ESPECIALLY HOSES BE REPLACED EVERY FIVE 5 YEARS REGARDLESS OF APPEARANCE 5 ...

Page 70: ... SHOULD BE SERVICED MONTHLY SERVICE MORE OFTEN IF THE EQUIPMENT IS USED FREQUENTLY 5 6 LUBRICATION WRECKER 1 Control Handle Shafts synthetic fortified grease 2 Cable oily rag or approved cable lubricant 3 Winches SAE 140 gear oil to proper level 4 Cylinder Pivot Bearings synthetic fortified grease 5 Winch Freespool synthetic fortified grease 6 Hydraulic Reservoir approved hydraulic fluid to proper...

Page 71: ...gned for this purpose Don t tow a vehicle that reduces the weight on the front wheels of your wrecker more than 40 percent Section V MAINTENANCE cont d V 5 NOTE THE ABOVE SERVICE REQUIREMENTS SHOULD BE SERVICED MONTHLY SERVICE MORE OFTEN IF THE EQUIPMENT IS USED FREQUENTLY 5 7 LUBRICATION WHEEL LIFT 1 Lift Cylinder Pivot Bearings synthetic fortified grease 2 Upper Arm Assembly synthetic fortified ...

Page 72: ...owed vehicle Don t travel with the wrecker PTO engaged Engage it only while operating the wrecker controls Don t tow a vehicle on its drive wheels unless steps have been taken to protect its transmission and differential Follow recommendations of the vehicle manufacturer As an alternative use a towing dolly Section V MAINTENANCE cont d MAINTENANCE RECORD DATE MECHANIC WEEKLY MONTHLY QUARTERLY SERV...

Page 73: ...l is secured with the front wheels straight ahead Don t tow a vehicle at night without proper signal lights on the towed vehicle and the wrecker Don t drive wrecker with boom elevated Section V MAINTENANCE cont d MAINTENANCE RECORD DATE MECHANIC WEEKLY MONTHLY QUARTERLY SERVICE PERFORMED IMPORTANT HYDRAULIC HOSES AND CABLES SHOULD BE INSPECTED WEEKLY FOR SIGNS OF ABRASION V 7 ...

Page 74: ...issue here is safety Unsafe steering may cause a serious accident It is recommended that a safe steering formula that maintains at least 40 percent of the UNLADEN unloaded front axle weight for towing be used That formula is expressed as follows ML 6 FAW x WB OH where ML maximum lifted load for safe steering FAW unladen unloaded weight at front axle WB wheel base or distance between the center of ...

Page 75: ...e the following information to the manufacturer s Parts Department 1 Manual Number Date of Publication 2 Manual Page Number 3 Page Title 4 Reference Number of Part Desired 5 Part Number 6 Part Description 7 Quantity of Part Desired Providing this information will help ensure that the correct parts will be delivered to you in an expedient manner without delay Should additional information be requir...

Page 76: ...Section VI PARTS cont d VI 2 BODY ASSEMBLY 925 GSA ...

Page 77: ...CAP SCREW 3 8 16 X 1 1 4 HEX HD CAP SCREW 3 8 16 X 1 1 2 HEX SKT SET SCREW 1 2 13 X 1 1 2 HEX HD CAP SCREW 5 8 11 X 2 1 4 HEX HD CAP SCREW 8 32 RD HD NUT 8 32 KEPS REF NO NO REQ D PART NUMBER DESCRIPTION 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 16 16 14 10 30 48 16 42 2 2 2 2 2 2 2 2 2 2 2 1 1 2 2 2 32 FT 1 0400367 0400369 0400392 0400408 0400421 0400451 040045...

Page 78: ...FORMULA III WHEEL LIFT ASSEMBLY Section VI PARTS cont d VI 4 ...

Page 79: ...X 2 1 4 HEX HD CAP SCREW 5 8 11 X 4 1 2 SKT HD CAP NUT 5 16 18 NYLOK HEX NUT 3 8 16 NYLOK HEX NUT 5 8 11 NYLOK HEX LOCKWASHER 3 8 EXT TOOTH WASHER 5 8 X 1 3 4 FLAT REF NO NO REQ PART NUMBER DESCRIPTION 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 2 2 2 1 2 1 1 1 1 1 1 1 1 1 9 1 2 4 2 4 1 1 REF 0400508 0703231 0707034 0707271 0707452 0710054 0710055 0710193 0710195 0802917 0...

Page 80: ...FORMULA III WHEEL LIFT HYDRAULICS Section VI PARTS cont d VI 6 ...

Page 81: ...4 25 26 27 28 29 30 31 32 33 1 6 2 2 2 2 2 1 2 1 2 2 1 2 10 6 7 FT 1 1 4 1 1 1 1 2 2 4 2 2 6 6 1 1 0300011 0300044 0300052 0300055 0300071 0300113 0300165 0301782 0300209 0300365 0301375 0301377 0301473 0301522 0301580 0301620 0301674 0302179 0301731 0302881 0303101 0303102 0303103 0303160 0303169 0303170 0303171 0400090 0400140 0400367 0400392 0700238 HD130 VALVE 4 SPOOL CONNECTOR 6MJ 8MB ELBOW 8...

Page 82: ...NOTES Section VI PARTS cont d VI 8 FORMULA III WHEEL LIFT HYDRAULICS with OPTIONAL HAND HELD REMOTE ...

Page 83: ...522 0301580 0301620 0301674 0302179 0302476 0302881 0303101 0303102 0303103 0303160 0303169 0303170 0303171 0400090 0400140 0400367 0400392 0700238 HD130 0301388 0301471 0301547 0301883 0301996 0302581 0302604 0302610 0302814 VALVE 4 SPOOL CONNECTOR 6MJ 8MB ELBOW 8MJ 10MB90 HOSEBARB 12C4 12MP CLAMP HOSE 1 GREASE FITTING HOSE ASSEMBLY 91 H P BRANCH TEE 6MJ 6MJ 4MP ELBOW 6MJ 6MP90 CLAMP CHECK VALVE ...

Page 84: ...III Wheel Lift will have a SERIAL NUMBER LABEL mounted on the outer boom support Additionally each CENTURY 925GSA Wrecker will have a DATA RATING PLATE mounted to the wrecker body These labels will display the Model Number Serial Number Lift Tow and Cable Ratings See Figures 2 2 2 3 and 2 4 Section VI PARTS cont d VI 10 FORMULA III OUTER CROSSTUBE LIFT ADAPTERS FIGURE 2 3 WHEEL LIFT FIGURE 2 2 WRE...

Page 85: ... 0802806 0802810 0802919 0902321 0902378 GREASE FITTING KNOB L BAR LOCK CONTROL SPRING PLUNGER PIN EXTENSION TIRE RESTRAINT TIRE RESTRAINT BOLT 5 8 11 X 4 1 2 CARRIAGE NUT 3 8 16 HEX JAM NUT 5 8 11 HEX NYLOK WASHER 5 8 FLAT PIN 3 16 X 1 ROLL PIN 5 32 X 1 ROLL PIN PLUNGER HANDLE T BRACKET RESTRAINT ASSEMBLY PIVOT HANDLE L H PLUNGER PIN HANDLE R H PLUNGER PIN CROSSBAR LEFT OUTER CROSSBAR RIGHT OUTER...

Page 86: ...Section VI PARTS cont d VI 12 925 GSA WRECKER ASSEMBLY ...

Page 87: ... 16 X 1 1 2 HEX SKT SET SCREW 3 8 16 X 7 8 HEX HD CAP SCREW 1 2 13 X 3 HEX HD CAP SCREW 3 4 10 X 2 HEX HD CAP SCREW 3 4 10 X 3 HEX HD CAP SCREW 3 4 10 X 3 1 2 HEX HD CAP REF NO NO REQ D PART NUMBER DESCRIPTION 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 4 2 12 2 14 16 10 1 1 2 2 1 1 2 1 1 1 1 4 1 1 1 1 1 1 0400392 0400408 0400431 0400480 0400482 0400511 0400554 07007...

Page 88: ...Section VI PARTS cont d VI 14 925 GSA WRECKER BOOM HYDRAULICS ...

Page 89: ... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 REF 1 6 4 2 1 1 2 1 1 1 2 1 1 REF 1 1 1 2 1 1 1 1 2 2 2 1 1 1 0300011 0300041 0300113 0300229 0300657 0300710 0300761 0300764 0300766 0301113 0301388 0301445 0301659 0302145 0302179 0302321 0302508 0302796 0303091 0303165 0303429 0303428 0303168 0400069 0400366 0400452 0700238 0710437 0710438 VALVE 4 SPOOL CONNECTOR 8MJ...

Page 90: ...cted 35 inches Tilt Angle Above Horizontal 10 degrees Below Horizontal 10 degrees L Bar Rating Retracted 6 000 lbs Extended 6 000 lbs T E M A 6 000 lbs 2 5 CHASSIS RECOMMENDATIONS Min GVWR Gross Vehicle Weight Rating 21 600 lbs Min CA Cab to Axle Dimension 138 Min Frame Length Behind Centerline of Axle 36 1 2 Section VI PARTS cont d VI 16 WINCH MOTOR HYDRAULICS REF NO NO REQ D PART NUMBER DESCRIPT...

Page 91: ...ch Wide Body with Flat Floor Dual Rear Controls Federal Standard 108 Lighting Wiring Harness Fold Away Tow Hitch Brackets Heavy Duty Truck Hitch Vernier Throttle Control Snatch Blocks Convenience Group Safety Chains Note Specifications Subject to Change without Notification Section VI PARTS cont d VI 17 HYDRAULIC CYLINDERS WRECKER BOOM LIFT CYLINDER REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 1 1 ...

Page 92: ...T LIFT CYLINDER REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 2 0303101 0304499 CYLINDER LIFT COMPLETE KIT WHEEL LIFT LIFT CYLINDER SEAL WHEEL LIFT EXTEND CYLINDER REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 1 HD130 HD163 CYLINDER EXTEND COMPLETE KIT WHEEL LIFT LIFT CYLINDER SEAL ...

Page 93: ...universal joint is required See Figure 3 1 FIGURE 3 1 3 2 Each function of the Wrecker can be controlled from either of the dual Control Stations located at the rear of the wrecker body See Figure 3 2 FIGURE 3 2 III 1 Section VI PARTS cont d VI 19 HYDRAULIC CYLINDERS WHEEL LIFT WHEEL LIFT TILT CYLINDER REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 1 1 0303102 0303103 0304500 CYLINDER TILT LEFT CYLIN...

Page 94: ...ntrol station is used to vary the speed of the truck engine to govern the maximum speed of the winches and cylinders See Figure 3 3 FIGURE 3 3 3 5 The Wrecker Boom is extended and elevated by means of double acting cylinders The boom can be elevated or extended under either LOAD or NO LOAD conditions 3 6 The self locking worm driven winch is powered by its own hydraulic motor attached directly to ...

Page 95: ...7 18 19 20 21 22 23 24 25 26 27 REF 2 4 4 2 2 8 6 20 FT 2 2 2 1 2 10 FT 2 2 REF 1 2 1 1 2 2 2 2 2 0300011 0300052 0300055 0300071 0300165 0300288 0300364 0300666 0300671 0300891 0301373 0301375 0301507 0301523 0301547 0301674 0302088 0302113 0302179 0302242 0302983 0303032 0303033 0400188 0400408 5823017 5823076 5828022 VALVE 4 SPOOL ELBOW 8MJ 8MB90 HOSE BARB 12C4 12MP CLAMP HOSE 1 HOSE ASSEMBLY H...

Page 96: ...6 3 9 Always use SAFETY CHAINS on all towing and lifting applications The safety chains are located on the top rear of the wrecker body See Figure 3 7 Refer to Section 4 8 for proper safety chain procedures FIGURE 3 7 Section VI PARTS cont d VI 22 CONTROLS CROSSRODS ...

Page 97: ...802024 0802025 GROMMET SPLIT PLASTIC KNOB WINCH CABLE IN OUT KNOB BOOM UP DOWN KNOB JACK UP DOWN KNOB BOOM EXTEND IN OUT KNOB WHEEL LIFT TILT UP DOWN KNOB WHEEL LIFT EXTEND IN OUT KNOB WHEEL LIFT LIFT UP DOWN SCREW 1 4 20 X 3 4 HEX HD CAP CLIP 1 4 U TYPE TINNERMAN NUT 3 8 16 HEX ESLOK JAM NUT 3 8 16 HEX JAM LOCKWASHER 1 4 HELICAL PIN 5 16 X 5 8 CLEVIS COTTERLESS PIN 3 16 X 1 1 4 COTTER PIN 1 8 X 3...

Page 98: ...VI 24 Section VI PARTS cont d WINCH ASSEMBLY ...

Page 99: ...CAPSCREW 5 16 18 X 1 HX HD CAPSCREW 3 8 16 X 1 HX HD NYLOK CAPSCREW 3 8 24 X 1 1 4 HX HD ALL THD NYLOK REF NO NO REQ D PART NUMBER DESCRIPTION 42 43 44 45 48 49 50 51 52 53 54 55 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 8 1 8 2 8 6 6 2 1 4 4 8 2 1 1 1 2 1 2 1 2 4 4 4 1 1 1 1 1 2 4 1 1 2 414571 414603 414606 414619 414871 414897 414909 414950 418067 418163 418184 418217 442...

Page 100: ...00113 0300626 0400133 0400150 0400392 0700801 0700888 0800286 0800509 0800510 BOOM SWIVEL ASSEMBLY LEFT COMPLETE BOOM SWIVEL ASSEMBLY RIGHT COMPLETE GREASE FITTING SHEAVE 8 DIA X 1 1 2 RIM SCREW 3 8 16 X 3 HEX HD CAP SCREW 3 8 16 X 2 1 2 HEX HD CAP NUT 3 8 16 NYLOK HEX CABLE GUIDE BOTTOM SHAFT SHEAVE CABLE GUIDE WELDMENT SWIVEL WELDMENT LEFT SWIVEL WELDMENT RIGHT ...

Page 101: ... VI 27 REAR JACK HYDRAULICS REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 3 4 5 6 7 8 9 REF 4 2 2 2 2 4 REF 4 0300011 0300040 0300041 0300680 0301445 0301816 0302032 0302179 0302473 VALVE 4 SPOOL CONNECTOR 8MJ 8MP CONNECTOR 8MJ 8MB JACK CYLINDER CONNECTOR EXTENDED 8MJ 8MBL FITTING 45 NIPPLE BLACK PIPE 1 2 X 6 VALVE 5 SPOOL HOSE ASSEMBLY ...

Page 102: ...1246 0702376 0702381 0800768 0800769 0300095 0300117 0300442 0301359 0400027 0400408 0400480 0800539 925 LIGHT BAR KIT PLATE SPOTLIGHT MOUNTING CROSS CHANNEL LEFT SUPPORT TUBE RIGHT SUPPORT TUBE SPOTLIGHT W GASKET GROMMET RUBBER LIGHT 3 BAR LIGHT WRECKER SPECIAL SCREW 8 32 X 5 8 SELF TAPPING NUT 1 2 13 HEX NYLOK WASHER 1 2 FLAT ADAPTER T BOLT ...

Page 103: ...s an option is dash mounted and controls the FORMULA III Wheel Lift IIIA 1 Section VI PARTS cont d VI 29 HEAVY DUTY TRUCK HITCH REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 1 3 2 4 4 1 1 2 2 2 2 2 2 2 2 2 2 6 2 2 124001041 0301205 0900100 0300113 0300335 0400190 0400408 0800181 0800182 0800409 0900187 0300004 0300331 0400561 0400563 0700526 0800343 0...

Page 104: ...e clearly marked for each function and direction See Figure 3A 2 FIGURE 3A 2 Section VI PARTS cont d VI 30 LIGHT KIT REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 2 2 2 6 0303123 0303177 0303124 0303128 LIGHT SEALED RED STOP TURN LIGHT SEALED AMBER TURN LIGHT SEALED CLEAR BACKUP TAIL LIGHT GROMMET REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 4 2 6 0303125 0303126 0303127 LIGHT SEALED MARKER RED LIGHT...

Page 105: ... ADAPTERS 2 FORK SHORT Section VI PARTS cont d VI 31 LIGHT KIT REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 3 4 5 6 7 1 1 1 2 2 2 2 0300076 0300117 0300273 0300512 0400061 0400366 0400452 LICENSE PLATE BRACKET GROMMET RUBBER LICENSE PLATE ILLUMINATOR BULB LICENSE PLATE ILLUMINATOR SCREW 1 4 20 X 3 4 PAN HD SLOTTED NUT 1 4 20 HEX LOCKWASHER 1 4 HELICAL REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 2 2...

Page 106: ...NOTES Section VI PARTS cont d VI 32 REF NO NO REQ D PART NUMBER DESCRIPTION 4 0302544 DOME LIGHT M390S COMPLETE LIGHT KIT ...

Page 107: ...center of disabled vehicle to be towed b Reduce truck s engine to idle and apply parking brake Depress clutch place transmission in neutral and engage PTO by pulling knob located on panel in cab See Figure 4 1 FIGURE 4 1 IV 1 Section VI PARTS cont d VI 33 GLAD HAND ASSEMBLY REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 1 2 2 2 2 1 9 2 2 4 2 2 1 1 0301862 0301909 030...

Page 108: ...AD VEHICLE cont d 4 4 CABLE PAYOUT Before operating any control handles observe the winch cables to make sure they are free and have sufficient slack to allow the boom to extend If not payout cable by using the Cable IN OUT Controls or switch on the Air Operated Free Spool switch and manually pull cables out to a sufficient length for boom extension 4 5 BOOM ELEVATION Elevate boom to the desired h...

Page 109: ...131 0400367 0400392 0400412 0400480 0400520 0400530 0400543 0701078 0702382 0702397 0702398 0702399 0800772 SOLENOID VALVE TOGGLE SWITCH SWITCH BOOT ELBOW TEE AIR CYLINDER SCREW 10 32 X 3 8 PAN HD SCREW 3 8 16 X 1 3 4 HEX HD CAP NUT 1 4 20 LOCK NUT 3 8 16 LOCK NUT 1 2 20 HEX JAM FLAT WASHER 3 8 LOCKWASHER 10 CLEVIS PIN 5 16 X 1 1 4 COTTER PIN 1 8 X 3 4 BRACKET MOUNTING ANGLE AIR LINE 12 AIR LINE 2...

Page 110: ...1259 VA0660 VA0661 VA0662 SCREW 1 2 13 X 2 HEX HD CAP SCREW 3 4 10 X 2 3 4 HEX HD CAP SCREW 7 8 9 X 8 HEX HD CAP NUT 3 4 10 HEX JAM LOCKWASHER 1 2 HELICAL LOCKWASHER 7 8 HELICAL ADAPTER TRAILER KING PIN NOT SHOWN BRACKET WELDMENT LOCK PLATE WELDMENT FIFTH WHEEL ADAPTER COMPLETE SCREW 7 8 9 X 2 1 2 HEX HD CAP ROLL PIN 3 8 X 1 1 2 PIN SNAPPER 5TH WHEEL PIVOT PLATE WELDMENT PULL PIN WELDMENT PIVOT PI...

Page 111: ...UMBER DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 4 8 10 18 36 8 36 8 8 8 2 2 0300097 0300188 0300496 0400026 0400043 0400101 0400358 0400381 0400463 0400464 5827051 7207018 FOLDING STEP B2797 STAINLESS STEEL STANCHION AFT WITH SETSCREW STANCHION CENTER WITH SETSCREW SCREW 8 32 X 1 4 HDLESS ALLEN SET SCREW 10 24 X 1 OVAL HD PHILLIPS SCREW 5 16 18 X 1 RD HD MCH SLOTTED NUT 10 24 HEX LOCK NUT 5 16 18 HEX...

Page 112: ...ttach to chassis around axle leaf springs frame or A frame See Figures 4 7 thru 4 10 IV 6 FIGURE 4 7 AXLE HOOK UP FIGURE 4 8 LEAF SPRING HOOK UP WRECKER cont d VERNIER THROTTLE CONTROL CABLE REF NO NO REQ D PART NUMBER DESCRIPTION 1 2 1 1 0300182 0300722 STOP COLLAR 516 HD1255 THROTTLE CONTROL CABLE 30 Section VI PARTS cont d VI 38 ...

Page 113: ...RICAL SCHEMATICS RED STOP YELLOW LEFT TURN LEFT STOP TURN BEYOND CONVE GREEN RIGHT TURN RIGHT STOP TURN BEYOND CONV BROWN MARKER RUNNING WHITE GROUND BLACK BACK UP ORANGE HOT TOOLBOX LIGHTS RELAYS BLUE REAR WORK LIGHTS TAN PYLON WORK LIGHTS BEACON FLASHERS RED BLACK POWER TO FREEWHEEL SWITCHES CONTROL STATION LIGHTS RED WHITE POWER TO WHEEL LIFT REMOTE PURPLE LEFT FREEWHEEL PURPLE BLACK RIGHT FREE...

Page 114: ...N 1 2 3 4 5 6 JUNCTION BOX 1 GREEN BROWN YELLOW WHITE BLACK RED RIGHT TURN RIGHT TURN STOP BEYOND CONVERTER RELAYS ALL MARKER RUNNING LIGHTS LICENSE PLATE ILLUMINATOR 3 BAR LIGHTS LEFT TURN LEFT TURN STOP BEYOND CONVERTER RELAYS GROUND BACKUP LIGHTS BACKUP ALARM STOP STOP TURN TO CONVERTER RELAYS 7 8 9 10 11 12 JUNCTION BOX 2 BLUE TAN RED WHITE ORANGE REAR WORK LIGHTS TOP PYLON WORK LIGHTS BEACON ...

Page 115: ... located on the left hand side of the wrecker body DO NOT EXCEED 1500 RPM IVA 1 VII 3 Section VII ELECTRICAL SCHEMATICS WRECKER BODY LIGHTING JUNCTION BOX 1 GREEN BROWN YELLOW WHITE BLACK RED WHITE BROWN RIGHT FRONT MARKER AMBER MARKER AMBER LEFT FRONT BROWN WHITE SIDE MARKER RED RIGHT REAR SIDE MARKER RED LEFT REAR JUNCTION BOX GROUND BROWN WHITE BROWN WHITE BLACK WHITE GREEN WHITE RED BROWN WHIT...

Page 116: ...ITE BLACK GREEN BLACK W L UP ORANGE BLACK TILT UP BLACK WHITE EXTEND IN WHITE SOLENOID VALVE ALL WIRE 14 GAGE ORANGE BLUE BLACK WHITE BLACK GREEN WHITE RED MALE FEMALE EXTEND OUT EXTEND IN WHEEL LIFT DOWN WHEEL LIFT UP TILT DOWN TILT UP WHEEL LIFT REMOTE CONTROL HAND HELD 1 2 3 4 5 6 7 1 2 3 4 5 6 7 RED WHITE GREEN GREEN BLACK PINK RED WHITE POLE ORIENTATION POLE ORIENTATION FEMALE AT TRUCK MALE L...

Page 117: ... until the crosstubes are firmly against the tires of the vehicle to be towed Take the truck out of gear and apply parking brake VII 5 Section VII ELECTRICAL SCHEMATICS TOWLIGHT PLUG WIRING REAR VIEW FEMALE DETAIL A TOWLIGHT PLUG ORIENTATION SEE DETAIL A ALL WIRE 14 GAGE 1 2 3 4 5 6 7 8 9 10 11 12 YELLOW GREEN WHITE BROWN WHITE YELLOW WHITE WHITE GREEN ORANGE JUNCTION BOX 1 JUNCTION BOX 2 RELAY 1 ...

Page 118: ...on VII ELECTRICAL SCHEMATICS STOP TURN LIGHT AT PYLON JUNCTION BOX 1 JUNCTION BOX 2 RELAY 1 RELAY 2 1 2 3 4 5 6 7 8 9 10 11 12 ALARM BACKUP RT TURN STOP RUNNING LT TURN STOP RUNNING BACKUP BACKUP BROWN WHITE BLACK WHITE GREEN WHITE BLACK WHITE BLACK WHITE BROWN BLACK YELLOW ORANGE GREEN YELLOW FROM CHASSIS HARNESS COLOR CODES FROM JUNCTION BOX TO MME CONVERTER AND RELAYS RED BLACK WHITE YELLOW BRO...

Page 119: ...HE VEHICLE TO BE TOWED WHEN WHEEL LIFT IS IN ITS RAISED POSITION TO AVOID ANY DAMAGE FROM THE TIRE RESTRAINTS ADJUST OUTER CROSS TUBES TO THE DESIRED POSITION f Repeat procedures c through e on opposite side of vehicle g Take vehicle out of gear and make certain parking brake is off h Using the Wheel Lift Lift UP DOWN Control raise the vehicle to desired towing height FIGURE 4A 8 VII 7 Section VII...

Page 120: ...t the desired length of Safety Strap c Position Safety Strap over top of tire as shown in Figure 4A 10 Make certain that the round portion of the D Ring is towards the Wheel Lift FIGURE 4A 9 FIGURE 4A 10 VII 8 Section VII ELECTRICAL SCHEMATICS FREEWHEEL SCHEMATIC RT SOLENOID FREEWHEEL LT SOLENOID FREEWHEEL RED BLACK RT FREEWHEEL LT FREEWHEEL RT FREEWHEEL LT FREEWHEEL JUNCTION BOX 2 PURPLE BLACK PU...

Page 121: ...TRAP EXTENSION THAT IS PROVIDED SEE FIGURE 4A 11 FOR APPLICATION METHOD d Release Ratchet Lock and tighten Safety Strap around tire securely with ratchet See Figure 4A 12 FIGURE 4A 11 FIGURE 4A 12 VII 9 Section VII ELECTRICAL SCHEMATICS TOOLBOX LIGHT SCHEMATIC 7 8 9 10 11 12 ORANGE LIMIT SWITCH RIGHT FRONT GROUND GROUND LEFT FRONT LIMIT SWITCH LEFT REAR LIMIT SWITCH ORANGE ORANGE JUNCTION BOX 2 GR...

Page 122: ...GEAR AND DISENGAGE PARKING BRAKE NOTE THE CLOSER TO THE TAILGATE OF THE WRECKER A VEHICLE IS TOWED THE MORE FRONT END WEIGHT WILL BE AVAILABLE FOR STEERING DURING TOW VII 10 Section VII ELECTRICAL SCHEMATICS WIRING PARTS LIST PART NUMBER DESCRIPTION NO REQ D 0300134 0300188 0301601 0301671 0301800 0301909 0302380 0302558 7203001 7203002 7203003 5823031 5823032 5823033 5823034 5823035 5823036 58230...

Page 123: ... UP FOR VEHICLE WITH FLAT TIRE S a Loosen T Handle and extend outer crosstubes until tire restraint retainers are just beyond the outer sidewalls of tires on disabled vehicle Refer to Figure 4A 2 b Lower Wheel Lift to ground then raise until Wheel Lift just clears ground level c Fully extended Wheel Lift Boom then retract approximately 3 inches d After all preparations are complete back the Wheel ...

Page 124: ...s possible against the flat tire s This should allow the crossbar to compress the tire completely See Figure 4A 13 g Install tire restraint onto flat tire See Figure 4A 14 h Place transmission in neutral and disengage parking brake on disabled vehicle FIGURE 4A 13 FIGURE 4A 14 Section VII HYDRAULIC SCHEMATICS with OPTIONAL HAND HELD REMOTE VII 12 ...

Page 125: ...n structural factors only not vehicle capacities or capabilities NOTES OWNER S MANUAL Century Wrecker Item No 974W25 Century Model 925 L E G E N D A R Y FORM NO 7205001 7 95 PRICE 15 00 CENTURY A Division of Miller Industries Towing Equipment Inc P O Box 120 8503 Hilltop Drive Ooltewah Tennessee 37363 Phone 423 238 4171 FAX 423 238 5371 CENTURY ...

Page 126: ...RY MAKES NO WARRANTY EXPRESS OR IMPLIED AS TO THE FINISHED PRODUCTS MANUFACTURED OR SUPPLIED BY ANOTHER MANUFACTURER AND SUPPLIED BY CENTURY TO PURCHASER including but not limited to any vehicle to which a CENTURY product may be affixed or any accessories or wire rope and CENTURY EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AS TO SUCH EQUIPMENT ...

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