User's Manual


Service
Disconnecting the Hydraulic Motor
WARNING
To
reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
on page 7.
1.
Relieve the pressure
.
2.
Disconnect the hydraulic hoses and plug all hy
-
draulic connections and hoses.
CAUTION
Keep the hydraulic system clean
Always plug the hydraulic inlets, outlets and lines
when disconnecting them for any reason to avoid
introducing dirt and other contaminants into the
system.
3.
Remove the cotter pin (5), and unscrew the cou
-
pler (6) from the hydraulic motor displacement rod
(104). Remove the o–ring (7) from the coupler
.
See Fig. 1.
4.
With the unit upright, remove the three bolts (1)
and the tie rods (2) holding the hydraulic motor
(101) to the pump (102). See Fig. 1.
5.
Clean and inspect all parts. Replace parts as
necessary. T
o service the hydraulic motor (101),
refer to manual 308–618
Reconnecting the Hydraulic Motor
1. WIth
the unit upright, insert the three bolts (1)
through the hydraulic motor tie plate (103), the tie
rods (2), and into the pump tie plate (3). T
orque
the bolts to 20–30 ft-lb (27–40 N
m).
2.
Lubricate, and place the o–ring (7) on the coupler
(6). Insert the coupler into the hydraulic motor
displacement rod (104), making sure that the holes
in both pieces are aligned. T
orque the coupler to
75–80 ft-lb (101–108 N
m). Insert the cotter pin
(5). See Fig. 1.
3.
Unplug all hydraulic connections and hoses.
Reconnect the hydraulic hoses.
06170
Fig. 2
1
101
103
104
5
6
3
102
2
7