GROVE Published 10-21-2011, Control # 055-03 6-23
5540F/YB5515 OPERATOR’S MANUAL MAINTENANCE
1. Engage the parking brake and shut off the engine.
Remove the ignition key.
2. Clean the grease fitting and check plug (Figure 6-33).
3. Remove the check plug.
4. Apply Lithium Base, E.P. No. 2 bearing grease to the
fitting. Fill gear box until grease exits the check plug
hole. Install the check plug.
Check Axle Housing Lubricant Level
It is necessary to climb under the crane to check the axle
housing lubricant. Be sure engine is shut off, the ignition key
is removed and chock blocks are in place before climbing
under the crane.
1. Clean around the axle housing fill/check plug
(Figure 6-34 and Figure 6-35) and remove the plug.
2. Check the lubricant level, which should be even with the
bottom of the fill/check hole.
3. If necessary, add Mobil Fluid 424 to fill the housings until
oil is level with the bottom of the fill/check hole.
Check Wheel Hub Lubricant Level
1. Using the outriggers, raise the tires slightly off of the
ground.
2. Place the transmission in neutral and release the
parking brake.
3. Turn one of wheel hubs until the fill/check plug is
horizontal with the ground (Figure 6-43).
4. Clean around the plug and then remove it.
5. Check the lubricant level, which should be even with the
bottom of the hole.
p0438
Swing Gearbox Grease Fitting
Check Plug Location
FIGURE 6-33
p0429
Fill/Check Plug- Front Axle Housing
FIGURE 6-34
p0430
Fill/CHeck Plug- Rear Axle Housing
FIGURE 6-35
p1385
Fill/Check Plug- Wheel Hub
FIGURE 6-36
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