LUBRICATION SERVICE MANUAL 1400A
8-8 1-21-2019 Control # 104-07
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Hoist Gearbox Oil Level Check
To check the hoist gearbox oil level:
1. Rotate the drum until the oil fill/drain plug is level with the
oil level/fill inspection hole (Figure 8-5).
2. Remove the oil fill/drain plug and visually inspect the
level. The oil should be level with the bottom of the
inspection hole. If more oil is needed, add SAE 90 EP
gear lube.
NOTE: Hoist gear and brake lubricants are satisfactory for
operation in temperatures from -23°C to 43°C (-
10°F to +110°F). For operation outside this range,
contact Manitowoc Crane Care for
recommendations.
Hoist Gearbox Oil Change
Oil Drain
1. Rotate the drum until the oil/fill plug is level with the drain
hole (Figure 8-5).
2. Screw a 1” pipe drain into the drain hole so that the oil
can be drained into an approved container.
3. Remove the drain/fill plug with a 3/8” hex wrench.
4. Remove the breather.
Oil Fill
1. Remove the 1” fill pipe from the drain hole.
2. Rotate the drum until the drain/fill hole is level with the fill
hole.
3. Install a 1” fill pipe with elbow in the drain/fill hole.
4. Fill the gearbox with 1.5 quarts of new gear lube. The
lube should be level with the bottom of the fill hole.
5. Remove the fill pipe.
6. Check that the breather is not frozen. Replace if
necessary.
7. Install the drain/fill plug and breather.
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Swing Gearbox and Brake Oil
Check and Fill Gearbox:
Visually inspect the gearbox for leaks as part of a daily crane
inspection. Fill the oil as necessary.
Change Swing Gearbox oil level:
The oil in the gearbox and brake sections is recommended
to be changed after first 50 hours of operation and every
1000 hours or 6 months of usage.
DANGER
Do not use EP type gear lubes in the brake section. This
may prevent proper operation and cause the load to fall
resulting in serious injury or death.
FIGURE 8-4
7142
Brake Oil Vent
and Fill Plug
Oil Brake
Drain Plug
Inspection
Plug
FIGURE 8-5
Gearbox
Drain Hole
Breather
Gearbox
Level/Fill Hole
Fill/Drain
Plug
1” Pipe
Drain
1” Fill Pipe
Fo
r
Reference
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