Assembly (Fig. 74)
9. Apply a light coating of petroleum jelly to new O--
rings and O--ring grooves in the body. Install new O--
rings to the body.
NOTE: When assembling the motor, check the marker
line on each part to make sure the parts are properly
aligned during assembly.
10.Install locating dowels in body. Align marker line on
the body and front flange.
1.
Lubricate O--rings,pressure seals, back--upgaskets
and wear plate grooves with a thin coat of petroleum jel-
ly. Lubricate all other internal parts freely with clean hy-
draulic oil.
IMPORTANT: Do not dislodge seals during installa-
tion.
11.
Gently slide the body onto the assembly. Firm hand
2.
Install new seals into front flange (Fig. 76):
pressure should be sufficient to engage the dowels.
A. Press shaft seal into front flange until it reaches
the bottom of the bore.
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.
B. Install flange washer into front flange and then
install retaining ring into the groove of the front
flange.
13.Apply
side of the rear cover.
alightcoatingofpetroleumjellytotheexposed
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.
14.Place
proper location. Firm hand pressure should besufficient
to engage the dowel pins.
rear cover on assembly using marker line for
Install the pressure seals, flat side outward, into the
15.Install
tighten screws.
thefour(4)capscrewswithwashers andhand
5.
side of the front flange.
Applyalightcoatingofpetroleumjellytotheexposed
IMPORTANT: Prevent damage when clamping the
motor into a vise; clamp on the front flange only.
Also, use a vise with soft jaws.
6.
Lubricatethedrivegearshaftwithcleanhydraulicoil.
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.
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
17.Remove
motor from vise.
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.
18.Place asmallamountofcleanhydraulicoilintheinlet
ofthemotorandrotatethedriveshaftawayfromtheinlet
one revolution. If any binding is noted, disassemble the
motor and check for assembly problems.
8.
Install rear wear plate with pressure seal side up and
open side of the pressure seal pointing to the inlet side
of the motor.
Hydraulic System
Page 4 -- 94
Groundsmaster 4500--D/4700--D
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Document Type | Service Manual |
| Language | English |
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