Maintenance and service work 3.32 Oil levels: rear axle transfer gearbox Notice! Only use new sealing rings for filler and drain plugs.
Checking the oil level ☞ Proceed as follows: • Park the machine on level ground when the gearbox is at operating temperature • Clean and unscrew plug A on the transfer gearbox If the oil level is below the opening or if the oil level cannot be seen at all: • Fill up the oil If the oil level is correct: • Tighten plug A with a new sealing ring to make an oil-tight seal
A
Filling up the oil Fig. 69: Transfer gearbox oil level
☞ Proceed as follows: • Park the machine on level ground when the gearbox is at operating temperature • Clean and unscrew plug A on the transfer gearbox • Fill in oil until it runs out of the filler opening If the oil level in the gearbox remains constant: • Tighten plug A with a new sealing ring to make an oil-tight seal
Changing the oil Danger! Danger of burns when draining hot gearbox oil!
☞ Wear protective gloves ☞ Use suitable tools, e.g. for unscrewing the oil drain plug ☞ Proceed as follows:
A
B
Fig. 70: Transfer gearbox oil level
3-34
• Park the machine on level ground when the gearbox is at operating temperature • Place a sufficiently large container under the transfer gearbox to collect the oil • Clean and unscrew plug A on the transfer gearbox • Unscrew screw B on the transfer gearbox • Completely drain the old gearbox oil • Tighten plug B with a new sealing ring to make an oil-tight seal • Fill in oil until it runs out of the filler opening If the oil level in the gearbox remains constant: • Tighten plug A with a new sealing ring to make an oil-tight seal Run the machine warm • Check the oil level again after about 5 minutes, and fill up if necessary
Serv-HB 40702 – Edition 2.0 * 407-02s0322_Wartung.fm
