2.
Install new seals into front flange (Fig. 76):
2
3
1
4
A. Press shaft seal into front flange until it reaches
the bottom of the bore.
B. Install flange washer into front flange and then
install retaining ring into the groove of the front
flange.
C. Install new dust seal into front flange.
3.
4.
grooves in the wear plates. Follow by carefully placing
the backup gaskets, flat side outward, between the
pressure seals and the grooves in the wear plate.
Place front flange, seal side down, on a flat surface.
Figure 76
3.
4.
1.
2.
Dust seal
Retaining ring
Flange washer
Shaft seal
Install the pressure seals, flat side outward, into the
12.Check
to make sure that the surface of the rear wear
plate is slightly below the face of the body. If the wear
plate is not below the body,check assembly for ashifted
pressure seal, backup gasket or O--ring. Correct before
proceeding.
5.
side of the front flange.
Applyalightcoatingofpetroleumjellytotheexposed
6.
Lubricatethedrivegearshaftwithcleanhydraulicoil.
13.Apply
side of the rear cover.
alightcoatingofpetroleumjellytotheexposed
Insert the drive end of the drive shaft through the wear
platewiththepressuresealsidedownandtheopenside
of the pressure seal pointing to the inlet side of the mo-
tor. Carefully install shaft into front flange.
14.Place
proper location. Firm hand pressure should besufficient
to engage the dowels.
rear cover on assembly using marker line for
7.
Lubricate the idler gear shaft with clean hydraulic oil.
Install idler gear shaft into the remaining position in the
front wear plate. Apply a light coating of clean hydraulic
oil to gear faces.
15.Install
tighten.
thefour(4)capscrewswithwashers andhand
IMPORTANT: Avoid using excessive clamping
pressureonthemotorhousingtopreventdistorting
the housing.
8.
open side of the pressure seal pointing to the inlet side
of the motor.
Install rear wear plate with pressure seal side up and
16.Place
jaws and alternately torque the cap screws 33 ft--lb (45
N--m).
front flange of the motor into a vise with soft
9.
rings and O--ring grooves in the body. Install new O--
rings to the body.
Apply a light coating of petroleum jelly to new O--
17.Remove
motor from vise.
10.Install
locating dowels in body. Align marker line on
the body and front flange.
18.Place
asmallamountofcleanhydraulicoilintheinlet
ofthemotorandrotatethedriveshaftawayfromtheinlet
one revolution. If any binding is noted, disassemble the
motor and check for assembly problems.
IMPORTANT: Do not dislodge seals during installa-
tion.
11.
Gently slide the body onto the assembly. Firm hand
pressure should be sufficient to engage the dowels.
Hydraulic System
Page 4 -- 102
Groundsmaster 5900/5910
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| Document Type | Service Manual |
| Language | English |
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