TM 11-5895-1551-23P
CHAPTER 12
REPAIR OF CARRIER ENGINE ACCESSORIES
Section I. REPAIR OF ALTERNATOR
engine.
Refer to chapter 3 for alternator repair
12-1. General
instructions.
The alternator is identical to that on the crane
Section II. REPAIR OF STARTING MOTOR
the crane engine. Refer to chapter 3 for starting motor
12-2. General
repair instructions.
Repair of the starting motor is identical to that on
Section III. REPAIR OF DISTRIBUTOR
g. Remove screw (17), lockwasher (lb, nut (19)
12-3. Description
and point set (20).
The primary function of the distributor is to open and
h. Remove retaining spring (21). Separate upper
close the circuit between the low voltage source and the
and lower plates (8 and 22) and remove nylon buttons
ignition coil so that the primary coil winding obtains
(23).
intermittent surges of current. These surges build up
i. Remove wick (24) and retainer (25). Slide cam
magnetic fields around the primary coil. When the surge
(26) off shaft and remove slider blocks (27).
stops as the points open, the collapse of the field
j. Remove primary and secondary springs (28 and
induces a high voltage surge in the secondary winding,
29).
which contains many more turns than the primary. This
k. Remove weight plates (30), bushings (311 and
surge is directed to the spark plug of the cylinder on top
washers (32).
center firing stroke to ignite the fuel.
I. Remove screw (33), governor band (34) and plug
12-4. Removal
(35).
Refer to TM 5-3810-294-20 to remove the distributor
m. Bend back tabs on lock plate (36). Place a 7/
from the engine.
16 inch deep wall socket over governor adjusting tool.
12-5. Disassembly
With socket over counterweight (37) insert slotted end of
Refer to figure 12-1 and disassemble the distribute as
tool onto adjusting screw in valve body (38). Hold tool
follows:
stationary and loosen counterweight until adjusting screw
a. Release clamps (1) and lift off cap (2). Drive out
is disengaged. Remove lock plate (36), counterweight
pin (3) and remove clamps.
(37) and body (38).
b. Lift out rotor (4) and dust cover (5).
n. Drive out pin (39) and press off gear (40). Drive
c. Pull the primary cable (11) through the opening.
out pin (41) and remove washer (42).
Remove screws (6) and lockwashers ('7) and lift out
o. Lift shaft (43) out of housing and press out
lower plate (8) with breaker parts.
bushing (44), retainer (45), seals (46), washers (47) and
d. Remove nut (9), lockwashers (10) and primary
spacer (48).
cable (11).
p. Remove plug i49) and adapter (50) from housing
e. Remove screw (12) which secures ground wire
(51).
(16) to lower plate (8).
f. Remove screw (13), lockwasher (14), condenser
(15), and ground wire (16).
12-1
