Manitowoc Grove CD3340B Service Manual page 332

STRUCTURAL
1. Place hoist base on side with bearing support end up
(Figure 11-85).
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2. Install a new bearing in the drum if replacement is
necessary. Apply a non-hardening sealant on the
outside diameter of the new seal. Install the spring side
of the seal next to the bearing, then press into the drum,
using a flat plate to avoid distortion. Be sure the drain
plug is installed correctly.
3. Install the snap
(Figure 11-86).
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11-40
FIGURE 11-85
ring on the bearing
FIGURE 11-86
Published 04/07/2015 Control # 569-00
Make certain the snap ring is installed on the bearing
support. This snap ring will keep the output planet
carrier correctly positioned in the hoist. Gear train
damage may occur if this snap ring is omitted.
4. Center the drum in the opening of the base
(Figure 11-87). Lubricate the bearing support with
petroleum jelly or gear oil and install in base and drum.
Be sure the vent plug is located above the horizontal
center line for the intended application. Oil leakage may
occur if vent is positioned incorrectly.
support
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5. Install and tighten the bearing support capscrews to the
recommended torque.
6. Stand hoist on bearing support end. Install the output
sun gear and thrust washer into output planet carrier
(Figure 11-88).
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CD3340B/YB4411
NOTICE!
IMPORTANT!
FIGURE 11-87
FIGURE 11-88