Western Snowplows Midweight Series, Mechanic'S Manual

Page: 75 / 104

Lit. No. 48163, Rev. 00 March 15, 2016
75
HYDRAULIC PUMP REPAIRS
HYDRAULIC UNIT ASSEMBLY
POSITIVE (+) Battery Cable
from motor relay
(Black w/Red Stripe or Red)
50–60 in-lb
Manifold
Shaft Seal
Pump Outlet
O-Ring
Pump
Existing 5/16" x 2-1/2" Cap Screws with
1/4" Flat Washers or 5/16"-18 x 2-1/4" Cap Screws
without Flat Washers (150–160 in-lb)
Ground Cable (Black)
and Black/Orange Wire
or Orange/Black Wire
(50–60 in-lb)
Reservoir
O-Ring
on Manifold
Inlet Fitting O-Ring
Inlet Fitting
Suction
Filter
Reservoir
Existing #10 x 3/8" Screws
and #10 Lock Washers or
#10 x 5/16" Screws without
Lock Washers (30–35 in-lb)
Drain Plug
Retainer Clip
Motor Cap Screws
55–65 in-lb
Suction
Filter
Return
Screen
Cap
Screw
Retainer
Clip
Inlet
Fitting
Filter & Pickup Tube Orientation
Early Motor with Frame Ground
1/4" x 6-1/4" Cap Screws (55–65 in-lb)
Motor Frame Hole
5/16" SS External
Tooth Lock Washer
Ground Cable
Black/Orange
Wire
5/16" x 1/2" Stainless Steel
Cap Screw (175–185 in-lb)
POSITIVE (+) Battery
Cable (from motor relay)
50–60 in-lb
Alignment
Ring
Counter-Bore
O-Ring
Pump Alignment Ring
Adapted from Pump Shaft Seal Repair Kit Service Literature (Lit. No. 28855, Rev. 01).