5C-30 - MID-SECTION 90-8i7643R1 DECEMBER 1996
Armature Tests
TEST FOR SHORTS
Check armature on a Growler (follow Growler man-
ufacturer’s test instructions). Indication of a short re-
quires replacement of armature.
TEST FOR GROUND
Use an Ohmmeter (R x 1 scale). Place one lead on
Ohmmeter on armature shaft and other lead on com-
mutator, as shown. If continuity is indicated, armature
is grounded and must be replaced.
51195
CHECKING AND CLEANING COMMUTATOR
If commutator (a) is worn it can be turned down on an
armature conditioner tool or on a lathe.
Clean commutator with “00” sandpaper.
a
Power Trim System
Reassembly
Manifold/Oil Pump Installation
IMPORTANT: Install spring, check valve and O-
ring into manifold. Position components in place
using sleeve to seat in place.
50999
1. Install check valve components into manifold.
51008
a
b
c
d
e
f
g
h
a - Manifold
b - Spring
c - Check Valve
d - Check Valve Seat
e - O-ring
f - Spring
g - Sleeve
h - Spool
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