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11921 Slauson 

A

ve.  Santa Fe Springs, CA.  90670  (800) 227-41

16  F

AX (888) 771-7713

PAGE  20

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ARM ASSEMBLY

Summary of Contents for MTB 72-25C

Page 1: ...M 00 41 REV A MARCH 2002...

Page 2: ......

Page 3: ...er Service must be notified and an Authorization Number obtained Major repairs would generally be considered repairs made to the structural assembly of the liftgate and or repairs not outlined in the...

Page 4: ...CE 14 PARTS BREAKDOWN 15 72 25C 30C ASSEMBLY 17 MAIN FRAMEASSEMBLY 18 ARMASSEMBLY 20 PLATFORMASSEMBLY 21 HYDRAULIC COMPONENTS 22 GRAVITY DOWN ELECTRIC COMPONENTS 24 POWER DOWN ELECTRIC COMPONENTS 26 D...

Page 5: ...LTAGE SWITCH LVTS 38 TROUBLESHOOTING 39 PLATFORM WILL NOT RAISE 40 PLATFORM RAISES BUT LEAKS DOWN 41 PLATFORM RAISES PARTIALLYAND STOPS 42 LIFTGATE WILLNOT LIFT RATED CAPACITY 43 PLATFORM RAISES SLOWL...

Page 6: ...e Liftgate release the control Toggle Switch and the Liftgate will stop Comply with the following WARNINGS while maintaining Liftgates See Operation Manual M 00 40 for operating safety requirements Re...

Page 7: ...Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 7 LIFTGATE TERMINOLOGY 72 25C 30C MTB CONTROL SWITCH LIFT CYLINDER PARALLEL ARM PLATFORM MAINFRAME FLIPOVER LIFT FRAME PUMP ASSEMBLY ALUMIN...

Page 8: ...0 Degrees F Grade ISO 32 Below 20 Degrees F Grade ISO 15 If Hydraulic Fluid appears contaminated refer to the CHANGING HYDRAULIC FLUID procedure on following page Check the Hydraulic Fluid level in th...

Page 9: ...f hydraulic fluid for your location 6 Re install Filler Cap FIG 1B 20 to 150 Degrees F Grade ISO 32 Below 20 Degrees F Grade ISO 15 DRAIN PLUG LIFTGATE SHOWN WITH GRAVITY DOWN PUMP MOTOR FIG 1A POWER...

Page 10: ...from the existing stop on the Platform roadside and curbside as shown in FIG 4 Each 1 16 ground off the existing stop lowers the outboard edge of the flipover as shown in TABLE 2 6 1 1 S M I H S F O O...

Page 11: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 11 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 12: ...the Torsion Spring as shown in FIG 6 Make sure the long leg of the spring is inserted in the bracket located on the Shackle Make sure the short end of the spring is visible and resting against the bl...

Page 13: ...s shown in FIG 7 Line up the hole in the Platform Hinge Pin with the hole in the Pin Collar Install the roll pin through the Pin Collar until roll pin protrudes equally from both sides of the collar F...

Page 14: ...FIG 8 CHECK SAFETY HOOK FUNCTION LOOP ADJUSTMENT FIG 9 FIG 10 1 When the Platform is raised to full Stowed position listen for an audible snap when Safety Hook engages the Platform Loop 2 Visually che...

Page 15: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 15 PARTS BREAKDOWN...

Page 16: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 16 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 17: ...Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 17 72 25C 30C ASSEMBLY REFER TO PLATFORM ASSEMBLY REFER TO ARM ASSEMBLY REFER TO MAIN FRAMEASSEMBLY REFER TO PUMP BOX HYDRUALIC ELECTR...

Page 18: ...21 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 18 MAIN FRAME ASSEMBLY 2 1 4 5 3 12 8 9 10 11 13 15 14 15 VIEW FROM UNDER EXTENSION PLATE VIEWED FROM UNDER EXTENSION PLATE...

Page 19: ...9 6 3 0 6 2 E B U L F L E S G N I R A E B 4 4 4 4 4 6 2 5 0 0 4 0 9 T E V I R 5 5 5 5 5 1 5 7 1 0 5 0 E T A L P N O X A M 6 6 6 6 6 1 6 1 4 1 2 2 N I P L L O R 7 7 7 7 7 1 3 0 8 6 3 0 6 2 2 1 3 N I P...

Page 20: ...I T P I R C S E D N O I T P I R C S E D 1 1 1 1 1 1 4 6 2 0 8 2 E M A R F T F I L 2 2 2 2 2 2 7 6 8 1 2 2 R E L L O R 3 3 3 3 3 0 1 6 1 4 1 2 2 N I P L L O R 4 4 4 4 4 8 3 6 3 0 6 2 E B U L F L E S G...

Page 21: ...O N T R A P N O I T P I R C S E D N O I T P I R C S E D N O I T P I R C S E D N O I T P I R C S E D N O I T P I R C S E D 1 1 1 1 1 1 9 6 3 0 8 2 M R O F T A L P 2 2 2 2 2 1 9 2 6 1 0 2 E P Y T P M A...

Page 22: ...s CA 90670 800 227 4116 FAX 888 771 7713 PAGE 22 HYDRAULIC COMPONENTS 5A 6A 7A 8A 17 12 14 11 10 13 4 2 4 3 1 2 4 3 5B 17 8B 16 POWERDOWN PUMP 9 15 14 GRAVITYDOWN PUMP PUMP BOX COVER 16 6B 7B RIGHT HA...

Page 23: ...N O I T A T O R I B P M U P L A C I T R E V A 7A 7A 7A 7A 7 1 7 6 4 0 8 2 N W O D Y T I V A R G T N U O M P M U P L A C I T R E V K C O L B B 7B 7B 7B 7B 7 1 3 6 4 0 8 2 N W O D R E W O P T N U O M P...

Page 24: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 24 GRAVITY DOWN ELECTRIC COMPONENTS 2 4 1 7 3 5 6 8...

Page 25: ...T I W S Y L B M E S S A E L B A C E T O N L A C I R T C E L E S T V L N W O D Y T I V A R G R O F L A U N A M F O N O I T C E S S N O I T P O O T R E F E R S S E N R A H 2 2 2 2 2 1 4 0 4 0 8 2 R E T...

Page 26: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 26 POWER DOWN ELECTRIC COMPONENTS 2 1 3 4 6 7 8 10 5 11 12 13 9...

Page 27: ...F E R S S E N R A H 2 2 2 2 2 1 2 0 4 0 8 2 R E T R A T S Y L B M E S S A E L B A C 3 3 3 3 3 2 4 9 3 0 8 2 C D S T L O V 2 1 D I O N E L O S R E T R A T S R O T O M 4 4 4 4 4 1 9 9 3 0 8 2 Y L B M E...

Page 28: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 28 DECAL P N 265439 DECAL P N 265438 DECALS CURBSIDE VIEW ROADSIDE VIEW OR...

Page 29: ...2 PLACES CONTROL SWITCH AND POWER CABLE FUSED BATTERY CABLEASSY 32 STD P N 264422 SHORT END TO VEHICLE BATTERY LONG END TO PUMP MOTOR SOLENOID Do not attach cable to battery until liftgate repairs ar...

Page 30: ...h compressed air or shop towel Apply the Liquid Sealant Compound PLS 2 to the external threads of the Male Connector Assemble the fitting and torque it to the prescribed value Check for leakage If lea...

Page 31: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 31 OPTIONS...

Page 32: ...ngs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 32 PLATFORM ASSEMBLY 72 x 40 10 RETENTION RAMP OPTION 1 6 3 9 2 2 3 7 5 4 4 8 12 10 REFER TO RIGHT HAND HINGE ASSY 13 15 14 13 14 15 11 17 17 16 16 16 1...

Page 33: ...6 6 1 4 0 8 6 3 0 6 2 G L 2 1 4 N I P 7 7 7 7 7 1 0 4 6 1 0 2 N O I S R O T G N I R P S 8 8 8 8 8 1 6 0 8 3 5 2 R A L L O C 9 9 9 9 9 1 3 7 1 3 5 2 R A B N O I S R O T 0 10 10 10 10 1 1 1 0 0 8 6 1 0...

Page 34: ...E R D N A H T H G I R T N E M D L E W M R A E G N I H 3 3 3 3 3 1 8 2 5 3 5 2 T N E M D L E W N I P 4 4 4 4 4 1 7 1 5 3 5 2 G L 4 3 G N I H S U B 5 5 5 5 5 1 1 4 5 3 5 2 E B U L F L E S G N I R A E B...

Page 35: ...P N O I T P I R C S E D N O I T P I R C S E D N O I T P I R C S E D N O I T P I R C S E D N O I T P I R C S E D 1 1 1 1 1 1 F E R G L 9 6 x 0 1 x 8 3 M U N I M U L A P M A R 2 2 2 2 2 1 F E R D N A H...

Page 36: ...R A P N O I T P I R C S E D N O I T P I R C S E D N O I T P I R C S E D N O I T P I R C S E D N O I T P I R C S E D 1 1 1 1 1 1 9 6 3 0 8 2 M R O F T A L P 2 2 2 2 2 1 5 8 0 3 1 2 E P Y T E G D E W R...

Page 37: ...OR LVTS WHITE LVTS P N 905197 G D LVTS ELECTRICAL HARNESS SOLENOID VALVE WHITE BLACK FB 2 FEMALE BULLET MB2 MALE BULLET FB1 FEMALE BULLET MB1 MALE BULLET FT1 FT2 FT3 TO CONTROL SWITCH G D LVTS ELECTRI...

Page 38: ...C K MB2 MALE BULLET FB1 FEMALE BULLET MB1 MALE BULLET TO CONTROL SWITCH POWER DOWN LVTS WIRING DIAGRAM RED MOTOR LVTS 1 P D LVTS ELECTRICAL HARNESS P N 280572 01 STARTER SOLENOID LVTS P N 905197 LVTS...

Page 39: ...11921 Slauson Ave Santa Fe Springs CA 90670 800 227 4116 FAX 888 771 7713 PAGE 39 TROUBLESHOOTING...

Page 40: ...the pump motor TERMINAL A TERMINAL B TERMINAL C Keep dirt water and other contaminants from entering the hydraulic system Before opening the hydraulic fluid reservoir filler cap drain plug and hydraul...

Page 41: ...to 30 lbs in 3 Check the Hydraulic Cylinder With the Platform on the ground remove the Breather Plug or Vent Line from the Vent Port of the Cylinder FIG 3 Raise the Platform even with the bed Allow p...

Page 42: ...or hydraulic fluid at the Vent Port Afew drops of hydraulic fluid escaping the Vent Port is normal however if it streams from the Vent Port Piston Seals are worn Replace Seals 5 Check Filter in the Pu...

Page 43: ...edure Save time on the job and prevent accidental fluid spills and hazards 3 With Platform on the ground remove the pressure hose and fitting from the Pump and replace it with a 0 3000 PSI Pressure Ga...

Page 44: ...the Cylinder FIG 8 Raise the Platform even with the bed Allow pump motor to run two seconds more while you watch for hydraulic fluid at the Vent Port Afew drops of hydraulic fluid escaping the Vent P...

Page 45: ...ring the hydraulic system Before opening the hydraulic fluid reservoir filler cap drain plug and hydraulic lines clean up contaminants that can get in the openings Also protect the openings from accid...

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