Groundsmaster 4100--D/4110--DHydraulic System Page 4 -- 120
3. Place front flange, seal side down, on a flat surface.
4. Install the pressure seals, flat side outward, into the
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.
5. Applyalightcoatingofpetroleumjellytotheexposed
side of the front flange.
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.
7. Lubricatetheidlergearshaftwithcleanhydraulicoil.
Install idler gear shaft into the remaining position in the
front wear plate. Apply a light coating of clean hydraulic
oil to gear faces.
8. Installrearwearplatewithpressuresealsideupand
open side of the pressure seal pointing to the inlet side
of the motor.
9. Apply alightcoatingofpetroleumjellyto newO--ring
andO--ringgroove inthebody.Install newO--ring tothe
body.
10.Installlocatingdowelpinsinfrontflange.Alignmark-
er line on the body and front flange.
IMPORTANT: Do not dislodge seals during installa-
tion.
11.Gently slide the body onto the assembly. Firm hand
pressure should be sufficientto engage the dowel pins.
12.Installthefour(4)capscrewswithwashersandhand
tighten.
IMPORTANT: Prevent damage when clamping the
fanmotorintoa vise;clamponthe frontflangeonly.
Also, use a vise with soft jaws.
13.Place front flange of the motor into a vise with soft
jaws and alternately torque the cap screws 33 ft--lb (45
N--m).
14.Remove motor from vise.
15.Placeasmallamountofcleanhydraulicoilintheinlet
ofthemotorandrotatethedriveshaftawayfromtheinlet
one revolution. If any binding is noted, disassemble the
motor and check for assembly problems.
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