Page 711 - Workshop Manual - Aumark (BJ1051)

25-1
Rear axle- Rear wheel hub with brake drum assembly

Rear axle assembly

Notes

1. Notes for the maintenance with rear axle gear oil
(a) The designated rear axle gear oil must be used, don’t mix it with other oil.
Gear oil:
Vehicle Gear oil

Specification Dosage

1051 series 3.5 L
Hypoid gear oil GL-5 85W/90
1061 series 5.0 L

1089 series 6.5 L

(b). Rep lacing with new rear axle gear oil must be required at regular intervals.
• Replacing with new gear oil must be required while carrying out second-class
maintenance for the first time.
• Replacing with new gear oil must be required after driving for 40,000 Km or 24 months
first. (Refer to “chapter 25 rear axle-rear axle axle gear oil, replacement)
• Replacing with new gear oil must be required after driving for 80,000 Km or 48 months,
thereafter, the gear oil shall be replaced each 50,000Km first. (Refer to “chapter 25 rear
axle -rear axle gear oil, replacement”)
(c). Regular inspection must be carried out, at least once for every four times of second-class
maintenance.
• Inspect the quality of the lubricant oil and see whethe it gose bad such as :changes
color ,turns thin etc 25
• Replacing with new gear oil must be required if the above-mentioned defects exist. (refer to
“chapter 25 rear axle -rear axle gear oil, replacement”)
2. Notes for the maintenance of rear axle assemnly
(a). Regular inspection must be carried out on the air
plug of rear-axle housing and the dirt and dust
on it shall be cleaned.
• Remove it for cleaning during the first-class
maintenance so as to keep the air passage open.
Hint:
• The blockage of air plug will cause the increase of
pressure in the rear-axle housing and lead to the oil
leakage at the driving gear oil seal and the joint.
• The level of the gear oil inside the rear-axle
housing shall be inspected during the cleaning of
air plug.
(b). The rear axle can be removed and the inner
chamber and the main reducing gear assembly
can be cleaned during the three-class
maintenance, the bolts and nuts of all the parts
shall be screwed down in accordance with the
specified torque.
(c). The brake shoe lining and the brake drum must
be inspected for wear regularly. Rear axle-rear
axle assembly

Page 711