SANY SR400R - Shock Absorber - Check; Initial 250 Service Hours; Winch Reducer Oil- Change

Safety, Operation and Maintenance Manual-September 30, 2019
5-61
5.4.3.14 Shock absorber - check
Fig.5-57 Shock Absorber
Check shock absorbers every week. If it de-
forms greatly and fails to work, replace them
immediately.
5.4.4 Initial 250 Service Hours
5.4.4.1 Winch reducer oil- change
CAUTION
Risk of personal injury!
Hot lubricating oil and components could cause personal injury. Gear oil could spurt out
and pose hazard.
Never allow hot oil or components to contact skin. Change gear oil only when the winch is
off.
Fig.5-58 Main Winch Reducer
1. Oil level gauge 2. Plug
3. Drain plug
1. Park the machine on level and flat ground.
Adjust the winch position until the oil level
gauge (1) is vertical.
2. Unscrew the plug (2) and remove the oil
dipstick.
3. Remove the drain plug (3) and drain the
gearbox.
4. Clean sealing surfaces, check seal for wear
and damage, replace if necessary.
5. Reinstall the drain plug (3).
6. Refill with new oil through the plug (2).
2
1
3
SR400R Rotary Drilling Rig
Maintenance
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