Table 4-1 Troubleshooting Chart - Continued
MALFUNCTION
PROBABLE CAUSE
CORRECTIVE ACTION
TROUBLE WITH BRAKING -
Continued
Brake will not release.
a. Defective electric brake (2,
Replace brake.
b. Brake temperature above
281
F (140
C).
Allow to cool.
c. Open brake circuitry or wiring.
Make voltage checks.
Brake drags.
Defective electric brake (2,
Replace.
Brake grabs.
Defective electric brake (2,
Replace.
Abnormal noise and chatter when
brake is applied.
Defective electric brake (2,
Replace.
TROUBLE WITH LIFTING OR
LOWERING
Oil sprays or flows from the top of
the lift cylinder.
Defective packing in lift cylinder
Repair lift cylinder.
Squealing sounds when lifting
forks.
a. Oil level too low.
Identify oil leak.
b. Dry channels in mast.
Apply grease.
c. Defective mast or carriage roll-
ers
Replace rollers
Forks do not lift to top.
a. Oil level too low.
Add oil to reservoir.
b. Load larger than capacity.
Refer to I.D.plate for capacity.
Weak, slow or uneven action of
hydraulic system.
a. Defective pump or relief valve.
Check pressure. Adjust as
necessary.
b. Worn lift cylinder.
Replace cylinder.
c. Load larger than capacity.
Refer to I.D.plate for capacity.
d. Defective lift motor solenoid.
Replace coil (2,
e. Battery charge low.
Charge battery.
Forks do not lift, pump motor does
not run.
a. Battery is dead or discon-
nected.
Check and recharge if required.
b. Defective wiring.
Check and repair as required.
c. Defect in electrical system for
operating pump motor.
Check lift switch in control head,
as well as the coil (2,
Forks do not lift, motor runs.
Defect in hydraulic system.
Check the oil level in the reservoir
and the oil lines to the lift cylin-
der, and repair as required. If
normal, check the hydraulic
pump, and relief valve. Repair,
or adjust.
20
Summary of Contents for BGL-33
Page 9: ...Figure 2 2 Sample of Operator Check List R6479 9...
Page 12: ...NOTES 12...
Page 18: ...NOTES 18...
Page 38: ...NOTES 38...
Page 44: ...NOTES 44...
Page 46: ...Figure 6 1 Drive Assembly R7220 46...
Page 48: ...Figure 7 1 Drive Assembly R7220 48...
Page 49: ...Figure 7 2 Load Wheels R7223 49...
Page 50: ...NOTES 50...
Page 52: ...Figure 8 2 Elevation System Telescopic R7224 52...
Page 54: ...Figure 8 3 Mast Three Stage Mast R7225 54...
Page 56: ...NOTES 56...
Page 58: ...Figure 9 1 Hydraulic System R7228 58...
Page 60: ...Figure 9 3 Elevation System Telescopic R7224 60...
Page 66: ...Figure 9 8 Secondary Lift Cylinder Three Stage Mast R7234 66...
Page 69: ...Figure 9 10 Tilt Cylinder R7236 69...
Page 70: ...NOTES 70...
Page 72: ...Figure 10 1 Electrical System R6478 R7237 72...
Page 73: ...Figure 10 2 Electrical Panel R6478 R7238 73...
Page 75: ...Figure 10 3 Transmission Motor Brake Assembly R6879 75...
Page 76: ...NOTES 76...
Page 77: ...SECTION 11 OPTIONAL EQUIPMENT 77...
Page 78: ...NOTES 78...
Page 80: ...Figure 12 1 Control Arm R7217 80...
Page 82: ...Figure 12 1 Control Arm Continued R7217 82...
Page 84: ...Figure 12 2 Control Head R7218 84...
Page 86: ...Figure 12 3 Drive System R7219 86...
Page 88: ...Figure 12 4 Drive Assembly R7220 88...
Page 90: ...Figure 12 5 Compartment R7221 90...
Page 92: ...Figure 12 6 Frame R7222 92...
Page 94: ...Figure 12 6 Frame Continued R7222 94...
Page 96: ...Figure 12 7 Load Wheels R7223 96...
Page 98: ...Figure 12 8 Elevation System Telescopic R7224 98...
Page 100: ...Figure 12 8 Elevation System Telescopic Continued R7224 100...
Page 102: ...Figure 12 9 Elevation System Three Stage Mast R7225 102...
Page 104: ...Figure 12 9 Elevation System Three Stage Mast Continued R7225 104...
Page 106: ...Figure 12 9 Elevation System Three Stage Mast Continued R7225 106...
Page 108: ...Figure 12 10 Lift Carriage Telescopic R7226 108...
Page 110: ...Figure 12 11 Lift Carriage Three Stage Mast R7227 110...
Page 112: ...Figure 12 12 Chain Assembly R6818 112...
Page 114: ...Figure 12 13 Hydraulic System R7228 114...
Page 116: ...Figure 12 14 Tilt System R7235 116...
Page 118: ...Figure 12 15 Lift System Telescopic R7230 118...
Page 120: ...Figure 12 16 Lift System Three Stage Mast R7231 120...
Page 122: ...Figure 12 17 Lift Cylinder Telescopic R7232 122...
Page 124: ...Figure 12 18 Free Lift Cylinder Three Stage Mast R7233 124...
Page 126: ...Figure 12 19 Secondary Lift Cylinder Three Stage Mast R7234 126...
Page 128: ...Figure 12 20 Tilt Cylinder R7236 128...
Page 130: ...Figure 12 21 Pump and Motor R7229 130...
Page 132: ...Figure 12 22 Electrical System R7237 132...
Page 134: ...Figure 12 23 Electrical Panel R7238 134...
Page 136: ...Figure 12 24 Battery Assembly Optional R7001A 136...
Page 138: ...Figure 12 25 Wire Harness R7240 138...