sistance from one end to other. Inspect elbow
ing attaching screws (22), washers (23) and
connectors (15) and elbow (13) for thread
condition. Inspect filter assembly for good con-
c. Cleaning. Clean filter assembly, bush-
ings, nipples, and connecting hardware in sol-
e. Repair. Solder
or weld holes
vent and dry with compressed air, Blow out
(11). Replace any defective hold-down straps
fuel line (14) with compressed air. Steam
with crating strapping. Remove any kinks in
clean tank (11).
line (14) but do not deform from designed
d. Inspection. Inspect tank (11) for leaks
shape. Replace any other parts which do not
or cracks and holddown straps for corrosion
or breaks. Use small flashlight to inspect in-
Warning: Before performing any welding
terior of tank for corrosion and sediment. In-
spect cap (1) and strainer (2) for good con-
clean tank continuously with live steam for at
dition and proper fit. Inspect float for leaks
least two hours to eliminate explosive vapors.
f. Reassembly. To reassemble, reverse the
mounting plate and slowly move arm through
complete range. Note smooth change of re-
Section Il. ENGINE ELECTRICAL SYSTEM
(13) Remove static ground collector (32)
a. Removal and Installation. To remove
by removing screw and lockwasher (33).
(14) Remove screw (35) attaching pole
shoe (34) to frame (40). Remove pole shoe.
b. Disassembly. To disassemble battery
(15) Remove receptacle lead screw (36)
and field coil lead to ground screw and lock-
(16) Remove field coil assembly (38) and
field coil insulation (39).
removing screw (2) and nut (3).
(17) Remove dowel pin (41) from frame
(2) Remove cable clamp (4), then dis-
connect wires (5 and 6) from connector (7).
c. Cleaning. Clean
all parts except bearings
(24 and 31), armature (25), brushes (22)
(3) Remove receptacle assembly (8) by
and coil (38) in solvent and dry thoroughly.
removing screw and lockwasher (9).
Clean commutator of armature (25) with No.
(4) Remove clips (10 and 11) from re-
00 sandpaper. Blow off with compressed air,
Wipe off bearings (24 and 31), armature (25),
(5) Remove receptacle elbow (12) after
and coil (38), with clean link-free cloth.
removing screw and lockwasher (13).
(6) Remove spacer (14).
d. Inspection. Check brushes against new
(7) Remove frame assembly (15) by re-
brushes for excessive wear. If brushes are
moving bolt (16) and lockwasher (17).
Inspect brush springs, arms, and mounting
(8) Remove arm (18), brush spring (19),
stop pins for good condition. Inspect inside
and brush washer (20 ) from frame assembly
of cover band (1) for signs of thrown solder
and coil (38) and armature (25) for burned
(9) Remove brush lead insulation (21),
or blackened insulation or loose windings. If
then remove brush (22) by removing screw
indication of overheating is observed, test
and lockwasher (23).
(10) Remove ball bearing (24).
armature and field for shorts, opens, and
(11) Remove armature (25) by removing
grounds. Check for open field with test lamp
nut (26) and washer (27).
connected between terminal lugs. If lamp fails
(12) Remove collar (28), key (29), bear-
to light, check for visible open lead to solder.
ing retainer plate (30) and ball bearing (31).
If open is apparently within coil, replace coil.