Manitowoc Grove CD3340B Service Manual page 130

MAINTENANCE
4. Apply Lithium Base, E.P. No. 2 bearing grease to the
fitting. Fill gear box until grease exits the check plug
hole.
5. Install the check plug.
Check the Axle Housing Lubricant Level
It is necessary to climb under the crane to check the axle
housing lubricant level. 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 both fill/check plugs (Figure 5-56) in the
brake housings and remove the plugs.
Fill/Check Plugs - Axel Housing
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2. Check the lubricant level, which should be even with the
bottom of each fill/check hole.
3. If necessary, add oil to fill the housings to the
recommended level.
Check the Wheel Hub Lubricant Level
1. Position the wheel so that the fill/check plug is horizontal
with the ground (Figure 5-57).
2. Clean around the plug and then remove it.
3. Check the lubricant level which should be even with the
bottom of the hole.
4. If necessary, add oil to fill the hub to the recommended
level.
5. Repeat Steps 1 through 4 for the other wheel hub.
5-28
Check Hoist Gearbox and Brake Lubricant (Tulsa
Model)
1.
2.
3.
FIGURE 5-56
p0320
4.
5.
6.
Published 04/07/2015 Control # 569-00
p0459
Fill/Check Plug - Wheel Hub
Engage the parking brake and shut off the engine.
Lower the boom to its lowest position.
Clean around the fill/check plug (Figure 5-58) and then
remove the plug.
Hoist Gearbox Check Plug Location
Check the lubricant level, which should be even with the
bottom of the fill/check plug hole.
If necessary, add SAE 90 EP gear lube to fill to the
bottom of the fill/check plug hole.
Clean around the area of the brake breather
(Figure 5-59). Remove the breather.
CD3340B/YB4411
FIGURE 5-57
FIGURE 5-58