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Groundsmaster 3505--DHydraulic System Page 4 -- 66
8. 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 drive and idler gear faces.
9. Install rear wear plate with pressure seal side up and
open side of the pressure seal pointing to the inlet side
of the motor.
10.Apply a light coatingof petroleum jelly tonew o--rings
and o--ring grooves in the body. Install new o--rings to
the body.
11.Install locating dowels in body. Align marker line on
the body and front plate (Fig. 41).
IMPORTANT: Do not dislodge seals during installa-
tion.
12.Gently slide the body onto the assembly using mark-
er line for proper location.Firm hand pressure should be
sufficient to engage the dowel pins.
13.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 a ssembly for a shifted
pressure seal, backup gasket or o--ring. Correct before
proceeding.
14.Apply a lightcoating of petroleumjelly tothe exposed
side of the back plate.
15.Place back plate on assembly. Firm hand pressure
should be sufficient to engage the dowels.
16.Install the four (4) socket head screws w ith washers
and hand tighten.
IMPORTANT: Avoid using excessive clamping
pressure on themotor housing toprevent distorting
the housing.
17.Place mounting flange of the motor into avise and al-
ternately torque the socket head screws 33 ft--lb (45
N--m).
18.Remove motor from vise.
19.Place a smallamount of cleanhydraulic oil inthe inlet
of themotor androtate thedrive shaft away fromthe inlet
one revolution. If any binding is noted, disassemble the
pump and check for assembly problems.
20.If removed, install anti--cavitation and relief valves
into back plate. Torque valves 26 ft--lb (35 N--m).