user manual

Groundsmaster 4100--DHydraulic System Page 4 -- 106
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 wearplate.Apply a light coatingof clean hydraulic
oil to gear faces.
8. Installrearwearplatewithpressuresealsideupand
open side of the pressure seal pointing to the inlet side
of the motor.
9. Apply a light coating of petroleum jelly to new O--
rings and O--r ing grooves in the body. Install new O--
rings to the body.
10.Install locating dowels in body. Align marker 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 sufficient to engage the dowels.
12.Installthefour(4)c apscrewswithwashersandhand
tighten.
IMPORTANT: Prevent damage when clamping the
fanmotorintoavise;clamponthefrontflangeonly.
Also, use a vise with soft jaws.
13.Place front flange of the motor into a v ise with soft
jaws and alternately torquethe 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.