Doosan G20E-5, Operation & Maintenance Manual, Page: 198 / 210

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Maintenance Section Maintenance Section
Drive Wheel Bearing (Power Shaft Drive Wheel Bearing (Power Shaft
and Drive Wheel) – Reassemble
and Drive Wheel) – Reassemble
Consult your DOOSAN lift truck dealer for the Consult your DOOSAN lift truck dealer for the
proper wheel bearing reassembling procedure.
proper wheel bearing reassembling procedure.
Packing of bearings and adjustment procedure
Packing of bearings and adjustment procedure
must be made by a trained mechanic or dealer
must be made by a trained mechanic or dealer
personnel.
personnel.
Pack power shaft bearings (1) and Pack power shaft bearings (1) and spindle bearings spindle bearings
(2). Pack ring gear (3) to the (2). Pack ring gear (3) to the depth of the teeth. depth of the teeth.
D, G-Series Lift Trucks D, G-Series Lift Trucks
Torque for single or dual Torque for single or dual wheel mountin wheel mounting nuts (1 g nuts (1) is ) is
644 ± 34 N•m (470 ± 2 644 ± 34 N•m (470 ± 25 lb•ft). 5 lb•ft).
Torque for adapter assembly bolts (2) is 285 ± 13 Torque for adapter assembly bolts (2) is 285 ± 13
N•m (210 ± 10
N•m (210 ± 10 lb•ft). lb•ft).
Tighten wheel bearing nut (3) to 135 Tighten wheel bearing nut (3) to 135 N•m (100 lb•ft) N•m (100 lb•ft)
while the wheel is turned in both directions. Loosen while the wheel is turned in both directions. Loosen
the nut completely and tighten nut again to 50 ± 5
the nut completely and tighten nut again to 50 ± 5
N•m (37 ± 4 lb•ft). Bend the lock washer tab into a
N•m (37 ± 4 lb•ft). Bend the lock washer tab into a
groove of the nut.
groove of the nut.
Torque for bolts (4) that hold cover to drive axle Torque for bolts (4) that hold cover to drive axle
housing is 55 ± 10 N•m (40 ±
housing is 55 ± 10 N•m (40 ± 7 lb•ft). 7 lb•ft).
GC-Series Lift Trucks. GC-Series Lift Trucks.
Torque for wheel bolts (1) is 270 ± 25 N•m (200 ± Torque for wheel bolts (1) is 270 ± 25 N•m (200 ±
20 lb•ft).
20 lb•ft).
Tighten wheel bearing nut (2) 135 N•m (100 lb•ft) Tighten wheel bearing nut (2) 135 N•m (100 lb•ft)
while the wheel is turned in both directions. Loosen
while the wheel is turned in both directions. Loosen
the nut completely and tighten nut again to 50 ±5
the nut completely and tighten nut again to 50 ±5
N•m (37 ± 4 lb•ft). Bend the lock washer tab into a
N•m (37 ± 4 lb•ft). Bend the lock washer tab into a
groove of the nut. groove of the nut.
Torque for bolts (3) that hold cover to drive axle
Torque for bolts (3) that hold cover to drive axle
housing is 55 ± 10 N•m (40 ±
housing is 55 ± 10 N•m (40 ± 7 lb•ft). 7 lb•ft).
Apply Loctite No. 242 to threads of spindle bolts (4). Apply Loctite No. 242 to threads of spindle bolts (4).
Torque for spindle bolts is 115 ± 14 N•m (85 ± 10
Torque for spindle bolts is 115 ± 14 N•m (85 ± 10
lb•ft).
lb•ft).