![Manitowoc Grove YB5515-2 Service And Maintenance Manual Download Page 88](http://html.mh-extra.com/html/manitowoc/grove-yb5515-2/grove-yb5515-2_service-and-maintenance-manual_701236088.webp)
GROVE
Published 1-20-2017, Control# 483-02
4-27
CD5515-2/YB5515-2 SERVICE MANUAL
HYDRAULIC SYSTEM
4
3.
Install needle thrust bearing (8), then bearing race (7) on
shaft (9). Pull shaft partially out of housing. Push all
three parts in housing (10) together Figure 4-18. The
bearing race must rotate freely when in position.
4.
Install exclusion seal (2) Figure 4-13 in flange (3) with
the lips of the seal facing out Figure 4-19. Carefully
press the exclusion seal in place.
5.
Visually check seal seats in the mounting flange for
scratches or other marks that might damage the seals
(5). Check for cracks in flange (3) that could cause
leakage.
6.
Lubricate inside diameter of seal tube and outside
diameter of shaft pressure seal with light film of clean
petroleum jelly. Align small inside diameter end of seal
tube with seal seat in mounting flange (3). Install back-
up ring (4) and pressure seal (5) in tube with lips of seal
face up Figure 4-19. Insert seal driver in tube and firmly
push seal seat with a rotating action.
NOTE:
After installing the seal in the flange, examine the
seal condition. If damaged or improperly installed,
replace the seal before continuing with assembly.
7.
Install O-ring (6) Figure 4-13 into groove in flange (3).
8.
It is recommended to apply a light coat of Loctite®
Primer NF in tapped holes of housing 10. Allow the
primer to air dry for at least 1 minute. Do not force dry
with air jet; the primer will blow away.
Use of primer is optional. With primer, Loctite® curing
time is approximately 15 minutes. Without the primer the
curing time is approximately 6 hours.
9.
Apply 3 or 4 drops of Loctite sealant at the top of the
threads for each of the four holes in the housing
Figure 4-20. Do not allow parts with Loctite to come in
contact with any metal parts other than those for
assembly. Wipe off excess Loctite from housing face,
using a non-petroleum base solvent.
Do not apply Loctite to threads more than 15 minutes
before installing screws. If the housing stands for more
CAUTION
Do not permit oil to get into the four tapped holes of
housing (10).
a0768
FIGURE 4-18
Lubricate
these areas
Needle
Thrust
Bearing
Output
Shaft
Bearing
Race
a0769
FIGURE 4-19
Shaft
Pressure
Seal
Seal
Driver
Seal
Tube
Mounting
Flange
Exclusion
Seal
Back-up
Ring (008
and 009
motors
Reference Only