1. Manuals
  2. Brands
  3. Maxon Manuals
  4. Lifting Systems
  5. RCM-1250C AB
  6. Maintenance manual

Maxon RCM-1250C Maintenance Manual

Railgate lift gate series
Hide thumbs
Table of Contents

Advertisement

Quick Links

M-91-18
REV. F
DECEMBER 2012
LIFT CORP.
©
MAXON Lift Corp. 2012
MAINTENANCE
MANUAL
• RCM-1250C
• RCM-1250C AB
• RCM-1600C
• RCM-1600C AB
11921 Slauson Avenue
Santa Fe Springs, CA 90607
(800) 227-4116

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RCM-1250C and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Maxon RCM-1250C

Summary of Contents for Maxon RCM-1250C

  • Page 1 M-91-18 REV. F DECEMBER 2012 MAINTENANCE MANUAL • RCM-1250C • RCM-1250C AB • RCM-1600C • RCM-1600C AB 11921 Slauson Avenue Santa Fe Springs, CA 90607 (800) 227-4116 LIFT CORP. © MAXON Lift Corp. 2012...
  • Page 3 MAXON agrees to replace any components which are found to be defective during the fi rst 2 years of service, and will reimburse for labor based on MAXON’s Liftgate Warranty Flat Rate Schedule.

  • Page 4: Table Of Contents

    CLEAN AND LUBRICATE COLUMNS ................13 ADJUST DRIVE CHAINS ....................14 PARTS BREAKDOWN ....................... 16 RCM-1250C......................... 16 RCM-1250C AB ........................20 RCM-1600C......................... 24 RCM-1600C AB ........................28 PLATFORM & RAMP ASSEMBLY ..................32 PUMP ASSEMBLY 12 VOLT (GRAVITY DOWN) ..............36 PUMP ASSEMBLY 24 VOLT (GRAVITY DOWN) ..............
  • Page 5 HYDRAULIC SYSTEM DIAGRAM ..................46 ELECTRICAL SYSTEM DIAGRAM ..................47 TROUBLESHOOTING ......................48 PLATFORM WILL NOT RAISE, MOTOR WILL NOT RUN ..........48 PLATFORM WILL NOT LOWER ..................49 PLATFORM RAISES, BUT LEAKS DOWN ................. 50 PLATFORM RAISES, BUT WILL NOT LIFT RATED CAPACITY ........50...

  • Page 6: Warnings

    • Comply with all WARNING and instruction decals attached to the Liftgate. • Keep decals clean and legible. If decals are illegible or missing, replace them. Free replacement decals are available from Maxon Customer Service. • Consider the safety and location of bystanders and location of nearby objects when operating the Liftgate.
  • Page 7 Listen for scraping, grat- ing and binding noises and correct the problem before continuing to operate Liftgate. • Use only Maxon Authorized Parts for replacement parts. Provide Liftgate model and serial num- ber information with your parts order. Order replacement parts from: MAXON LIFT CORP.

  • Page 8: Periodic Maintenance

    PERIODIC MAINTENANCE PERIODIC MAINTENANCE CHECKLIST WARNING Never operate the Liftgate if parts are loose or missing. Annually or 5000 Cycles (whichever occurs fi rst) Visually check the entire Liftgate for excessively worn parts and broken welds, especially the Hinge Pins. See PARTS BREAKDOWN section for replacement parts. With the Cylin- der Housing Cover removed, lubricate drive chains with red grease.

  • Page 9: Checking Hydraulic Fluid

    CHECKING HYDRAULIC FLUID CAUTION Keep dirt, water and other contaminants from entering the hydraulic system. Before opening the hydraulic fl uid reservoir fi ller cap, drain plug and hydrau- lic lines, clean up contaminants that can get in the openings. Also, protect the openings from accidental contamination.
  • Page 10 PERIODIC MAINTENANCE CHECKING HYDRAULIC FLUID - Continued ISO 32 HYDRAULIC OIL RECOMMENDED PART NUMBER BRANDS AMSOIL AWH-05 CHEVRON HIPERSYN 32 KENDALL GOLDEN MV SHELL TELLUS S2 V32 EXXON UNIVIS N-32 DTE-13M, DTE-24, MOBIL HYDRAULIC OIL-13 TABLE 10-1 ISO 15 OR MIL-H-5606 HYDRAULIC OIL RECOMMENDED PART NUMBER BRANDS...

  • Page 11: Changing Hydraulic Fluid

    CHANGING HYDRAULIC FLUID CAUTION Keep dirt, water and other contaminants from entering the hydraulic system. Before opening the hydraulic fl uid reservoir fi ller cap, drain plug and hydrau- lic lines, clean up contaminants that can get in the openings. Also, protect the openings from accidental contamination.
  • Page 12 PERIODIC MAINTENANCE CHANGING HYDRAULIC FLUID - Continued 4. Remove threaded Filler Cap (FIG. 12-1). FILLER CAP Fill the Reservoir with correct Hydraulic RESERVOIR Fluid to the level shown in FIG. 12-1. 1” 5. Reinstall Filler Cap (FIG. 12-1). CHECKING FLUID LEVEL FIG.

  • Page 13: Clean And Lubricate Columns

    CLEAN AND LUBRICATE COLUMNS CAUTION CLEAN & LUBRICATE Do not apply oil or grease to the Lift Columns. 1. Thoroughly pressure wash (or steam clean) inside surfaces of both Lift columns (FIG. 13-1) to remove oil, grease, and debris. CAUTION Do not store can of lubricant on truck.

  • Page 14: Adjust Drive Chains

    PERIODIC MAINTENANCE ADJUST DRIVE CHAINS NOTE: Vehicle body must be empty (unloaded) before performing the following adjustment. 1. Adjust drive chains as follows. ADJUSTING ADJUSTING NUTS RODS CYLINDER LOCK NUTS 2. Remove cover from Cylinder Hous- ing. Loosen the lock nut on each chain adjusting rod (FIG.
  • Page 15 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 16: Parts Breakdown

    PARTS BREAKDOWN RCM-1250C REFER TO PLATFORM AND RAMP ASSEMBLY...
  • Page 17 ITEM QTY. PART NO. DESCRIPTION 252983-02 PLATFORM WELD’T (30”+6”) 96” W BODY 252983-01 PLATFORM WELD’T (30”+6”) 90” W BODY 252983-03 PLATFORM WELD’T (30”+6”) 84” W BODY 226853-03 RUNNER ASSEMBLY, L.H. 226852-04 RUNNER ASSEMBLY, R.H 252460 SPRING 221497 ROLL PIN, 3/8” X 1-1/2” LG. 221416 ROLL PIN, 3/8”...
  • Page 18 RCM-1250C - Continued REFER TO PLATFORM AND RAMP ASSEMBLY...
  • Page 19 ITEM QTY. PART NO. DESCRIPTION 030306 HEX NUT, 1/4”-20 226849 DRIVE CARRIAGE WELDMENT 223672-01 SHEAVE ASSEMBLY, 3” DIA. 800234-02 HOSE, 1/4” X 48” LG. 224508 COVER, CYLINDER, 96” W BODY 226847 COVER, CYLINDER, 90” W BODY 226779 COVER, CYLINDER, 84” W BODY 030014 HEX BOLT, 5/16-18 X 5/8”...

  • Page 20: Rcm-1250C Ab

    RCM-1250C AB REFER TO PLATFORM AND RAMP ASSEMBLY...
  • Page 21 ITEM QTY. PART NO. DESCRIPTION 252983-02 PLATFORM WELD’T (30”+6”) 96” W BODY 252983-01 PLATFORM WELD’T (30”+6”) 90” W BODY 252983-03 PLATFORM WELD’T (30”+6”) 84” W BODY 226663-03 RUNNER ASSEMBLY, L.H. 226663-04 RUNNER ASSEMBLY, R.H. 252460 SPRING 221497 ROLL PIN, 3/8” X 1-1/2” LG. 221416 ROLL PIN, 3/8”...
  • Page 22 RCM-1250C AB - Continued REFER TO PLATFORM AND RAMP ASSEMBLY...
  • Page 23 ITEM QTY. PART NO. DESCRIPTION 030306 HEX NUT, 1/4”-20 226849 DRIVE CARRIAGE WELDMENT 223672-01 SHEAVE ASSEMBLY, 3” DIA. 800234-02 HOSE, 1/4” X 48” LG. 224508 COVER, CYLINDER 96” W BODY 226847 COVER, CYLINDER 90” W BODY 226779 COVER, CYLINDER 84” W BODY 030014 HEX BOLT, 5/16-18 X 5/8”...

  • Page 24: Rcm-1600C

    RCM-1600C REFER TO PLATFORM AND RAMP ASSEMBLY...
  • Page 25 ITEM QTY. PART NO. DESCRIPTION 252984-02 PLATFORM WELD’T (30”+6”) 96” W BODY 252984-01 PLATFORM WELD’T (30”+6”) 90” W BODY 252984-03 PLATFORM WELD’T (30”+6”) 84” W BODY 226852-01 RUNNER ASSEMBLY, L.H. 226852-02 RUNNER ASSEMBLY, R.H. 252460 SPRING 221497 ROLL PIN, 3/8” X 1-1/2” LG. 221416 ROLL PIN, 3/8”...
  • Page 26 RCM-1600C - Continued REFER TO PLATFORM AND RAMP ASSEMBLY...
  • Page 27 ITEM QTY. PART NO. DESCRIPTION 030306 HEX NUT, 1/4”-20 226849 DRIVE CARRIAGE WELDMENT 223672-01 SHEAVE ASSEMBLY, 3” DIA. 800234-02 HOSE, 1/4” X 48” LG. 224508 COVER, CYLINDER 96” W BODY 226847 COVER, CYLINDER 90” W BODY 226779 COVER, CYLINDER 84” W BODY 030014 HEX BOLT, 5/16-18 X 5/8”...

  • Page 28: Rcm-1600C Ab

    RCM-1600C AB REFER TO PLATFORM AND RAMP ASSEMBLY...
  • Page 29 ITEM QTY. PART NO. DESCRIPTION 252984-02 PLATFORM WELD’T (30”+6”) 96” W BODY 252984-01 PLATFORM WELD’T (30”+6”) 90” W BODY 252984-03 PLATFORM WELD’T (30”+6”) 84” W BODY 226663-01 RUNNER ASSEMBLY, L.H. 226663-02 RUNNER ASSEMBLY, R.H. 252460 SPRING 221497 ROLL PIN, 3/8” X 1-1/2” LG. 221416 ROLL PIN, 3/8”...
  • Page 30 RCM-1600C AB - Continued REFER TO PLATFORM AND RAMP ASSEMBLY...
  • Page 31 ITEM QTY. PART NO. DESCRIPTION 030306 HEX NUT, 1/4”-20 226849 DRIVE CARRIAGE WELDMENT 223672-01 SHEAVE ASSEMBLY, 3” DIA. 800234-02 HOSE, 1/4” X 48” LG. 224508 COVER, CYLINDER 96” W BODY 226847 COVER, CYLINDER 90” W BODY 226779 COVER, CYLINDER 84” W BODY 030014 HEX BOLT, 5/16-18 X 5/8”...

  • Page 32: Platform & Ramp Assembly

    PLATFORM & RAMP ASSEMBLY (3 PLACES) (3 PLACES) (3 PLACES) (3 PLACES) REFER TO RH HINGE ASSEMBLY...
  • Page 33 ITEM QTY. PART NO. DESCRIPTION 260449-01 ALUMINUM RAMP 3/8 " X 10" X 81-3/4" LG. 260449-02 ALUMINUM RAMP 3/8 " X 10" X 87-3/4" LG. 260449-03 ALUMINUM RAMP 3/8 " X 10" X 76-3/4" LG. 225985 PIPE, SCH-80, 3/4" X 60" LG. 253516 BUMPER, 1"...
  • Page 34 RH HINGE ASSEMBLY...
  • Page 35 ITEM QTY. PART NO. DESCRIPTION REF. 253877 RH HINGE ASSEMBLY 030406 ROLL PIN, 1/8" X 1" LG. 078202 PIN COLLAR, 3/4" X 1-1/2" O.D. 221416 ROLL PIN, 3/8" X 2" LG. 252460 TORSION SPRING 253517 BUSHING, 3/4" 253528 253533 LOCKING CAM 253537 LOCKING ARM WELDMENT 253538...

  • Page 36: Pump Assembly 12 Volt (Gravity Down)

    PUMP ASSEMBLY 12 VOLT (GRAVITY DOWN) 5 (KIT) SOCKET HEAD RETAINER CAPSCREW SPRING STEEL BALL 6 (KIT) VALVE 2, 2A SPRING SPRING GUIDE O-RING ADJUSTING SCREW STEEL BALL 13 14...
  • Page 37 ITEM QTY. PART NUMBER DESCRIPTION 250100 PUMP, 12 VOLTS 229272 MOTOR, 12 VOLTS DC 253353 VALVE, SOLENOID 2-WAY, 12 VOLTS DC 226594 O-RING KIT, 2-WAY VALVE (NOT SHOWN) THERMAL SWITCH 260261 OIL SEAL 251885 CHECK VALVE KIT 260229 RELIEF VALVE KIT 229193 FILLER / BREATHER CAP 251882...

  • Page 38: Pump Assembly 24 Volt (Gravity Down)

    PUMP ASSEMBLY 24 VOLT (GRAVITY DOWN) 5 (KIT) SOCKET HEAD CAPSCREW RETAINER SPRING STEEL BALL 6 (KIT) VALVE SPRING 2, 2A SPRING GUIDE O-RING ADJUSTING SCREW STEEL BALL...
  • Page 39 ITEM QTY. PART NUMBER DESCRIPTION 250100-24 PUMP, 24 VOLTS 281573-01 MOTOR, 24 VOLTS DC 290079 VALVE, SOLENOID 2-WAY, 24 VOLTS DC O-RING KIT, 2-WAY VALVE (NOT 226594 SHOWN) THERMAL SWITCH 260261 OIL SEAL 251885 CHECK VALVE KIT 260229 RELIEF VALVE KIT 229193 FILLER/BREATHER CAP 251882...

  • Page 40: Hydraulic Components

    HYDRAULIC COMPONENTS PUMP (REF)
  • Page 41 ITEM QTY. PART NO. DESCRIPTION 202141 ELBOW BRASS, 1/4” X 1/8” 224370-11 PLASTIC HOSE, 87” LG. 251739 VALVE, FLOW CONTROL 2 GPM 228151 STRAIGHT SWIVEL 3/8-18 F-M 226948-18 HOSE, 3/8” X 47-1/2” LG 252002 CYLINDER, 2” DIA. X 28” STROKE 228950 ELBOW, 3/8F-3/8F 030304...

  • Page 42: Pump Box Assembly

    PUMP BOX ASSEMBLY 3 (CATCH) REFER TO PUMP ASSEMBLY 3 (LATCH) ITEM QTY. PART NO. DESCRIPTION 251741 PUMP BOX ASSEMBLY 260108 PUMP BOX COVER 260109 PUMP BOX 215139 CATCH AND FASTENER (WITH LATCH) 207645 POP RIVETS, 3/16” X 5/8” LG.

  • Page 43: Control Switch

    CONTROL SWITCH SWITCH MOUNTING BRACKET (REF) (2 PLACES) UP & DOWN DECAL (REF) CHANNEL (REF) ITEM QTY. PART NO. DESCRIPTION 250916 ELECTRICAL HARNESS & SWITCH ASSEMBLY 905206 SWITCH SEAL BOOT 030458 SCREW, TAPPING, #10 X 1/2” LG.

  • Page 44: Decals

    DECALS NOTE: Ensure there is no residue, dirt, or corrosion where decals are attached. If neccessary, clean surface before attaching decals. CONTROL SWITCH DECAL P/N 250993 MAXPRO DECAL P/N 265388-01 CAPACITY DECAL (RCM-1600 ONLY) P/N 224751 CAPACITY DECAL (RCM-1250 ONLY) P/N 226006 INSTRUCTION DECAL P/N 252899...

  • Page 45: Drive Chain System Diagram

    DRIVE CHAIN SYSTEM DIAGRAM If the drive chains or related parts are removed, route the chains as shown in FIG. 45-1. Refer to the PARTS BREAKDOWN section for the cor- rect parts. The illustration also shows the motion of the hydraulic cylinder, sheaves (pulleys), and drive chains while the Platform is being raised.

  • Page 46: Hydraulic System Diagram

    HYDRAULIC SYSTEM DIAGRAM HYDRAULIC CYLINDER 2 GPM FLOW CONTROL VALVE AUX. TANK PORT VENT PRESSURE (PLUGGED) PORT PORT “A” VALVE CHECK PRESSURE RELIEF VALVE VALVE (SET AT 2250 +/-50 PSI) HAND PUMP PORT (PLUGGED) HAND PUMP PUMP PORT (PLUGGED) MOTOR (REF) FILTER...

  • Page 47: Electrical System Diagram

    ELECTRICAL SYSTEM DIAGRAM CONTROL SWITCH WHITE GREEN BLACK CABLE ASSY STARTER SOLENOID SOLENOID, VALVE “A” BLACK MOTOR CABLE WITH 175 AMP FUSE BATTERY...

  • Page 48: Troubleshooting

    TROUBLESHOOTING PLATFORM WILL NOT RAISE, MOTOR WILL NOT RUN 1. Check battery voltage at terminal #1 (FIG. BATTERY CABLE 48-1). If voltage is less than 12 volts re- charge battery. 2. Touch a jumper wire on terminals #1 GREEN and #2 (FIG. 48-1). If motor runs check WIRE switch, switch connections and white wire.

  • Page 49: Platform Will Not Lower

    PLATFORM WILL NOT LOWER 4. At “DOWN” valve on top of pump, check if coil was 12 volts when “DOWN” switch is activated.If voltage is low, recharge battery. SCREWDRIVER If no voltage is at coil, check connections on black wire and switch. If switch is defective, replace switch.

  • Page 50: Platform Raises, But Leaks Down

    TROUBLESHOOTING PLATFORM RAISES, BUT LEAKS DOWN 7. 7. Check “DOWN” valve as noted Check “DOWN” valve as noted in paragraph 6. in paragraph 6. 8. 8. Check hydraulic cylinder. Check hydraulic cylinder. With platform on ground, dis- With platform on ground, dis- connect vent line from butt end connect vent line from butt end of cylinder...

This manual is also suitable for:

Rcm-1600c abRailgate rcm-1250cRailgate rcm-1600c

Table of Contents