② The clearance between the brake shoe and the brake
drum shall be kept between 0.7 and 1.2 mm, and the
clearance between the upper and lower drums and shoes
shall not be greater than 0.3 mm;
③ The friction plate for each axle shall be special
accessories from Lingong Group Jinan Heavy Machinery
Co., Ltd.
2) Maintenance of axle
a. Routine maintenance:
① Check if the wheel nuts and the oil plug are loose and
fasten them before the truck running;
② Check the axle for oil leakage before the truck running;
repair it if any leakage;
③ Check the brake performance and brake return condition.
The brake clearance shall be between 0.7 and 1.2 mm. In
case of improper brake clearance or poor brake return, check
and regulate immediately;
④ Check if the regulating arm and the camshaft are
jammed. If so, refill grease immediately to ensure that they
rotate flexibly;
⑤ Refill grease to the grease nozzle of the axle every 15
days (as shown in figure). If it is difficult to refill grease,
check it immediately and stop operating.
b. First maintenance:
① Replacement of grease of drive axle (as shown in figure
above)
Unscrew the drain plug of the axle → drain grease from the
axle → tighten the drain plug again after the grease has been
drained → unscrew the filler plug of the axle → refill the
grease as required in Table 1 → tighten the filler plug.
② Refill grease to the grease nozzle as required. If it is
difficult to refill grease, check it immediately and stop
operating;
③ Check if the connecting bolts between components
outside the axle are loose and fasten them;
④ Check and regulate the brake clearance, which shall be
between 0.7mm and 1.2 mm;
⑤ Remove obstacles from the final drive reducer vent hole
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