ARMY TM 9-6115-672-14
AIR FORCE TO 35C2-3-444-32
MARINE CORPS TM 09244A/09245A-14
4-150
(6)
Position housing (4) on head (5) with sight glass (1) visible, and secure with collar (3).
(7)
Close engine compartment access doors.
c. Test.
(1)
Shut down generator set, paragraph 2.11.2.
(2)
Open output control box door, refer to Figure 1-2.
(3)
Test heater by disconnecting wires 351A16 and 350A16 at TB7-B10.
(4)
Measure resistance between heater wire 350A16 (HTR1) and ground. Resistance should be 199-
233 ohms. Replace heater if resistance is out of tolerance.
(5)
Measure resistance between heater wire 351A16 (HTR2) and ground. Resistance should be 370-
432 ohms. Replace heater if resistance is out of tolerance.
(6)
Disconnect heater thermostat at terminals TB7-A8 and TB7-A10 and remove from generator set.
Test heater thermostat by checking continuity. Thermostat switch should open at temperatures
above 20° F. Expose thermostat to temperature below 15° F. Thermostat should close and have
continuity. Replace if defective.
d. Removal.
(1)
Shut down generator set, paragraph 2.11.2.
__________
WARNING
Exhaust system can get very hot. Allow system to cool before performing
maintenance. Failure to comply can cause severe burns and injury to
personnel.
(2)
Open right side engine compartment access doors (Figure 1-2).
(3)
Peel back insulation (14, Figure 4-21) as required to expose heater tapes (11 and 12). Unwind
heater tapes from assembly and remove from generator set.
(4)
Loosen hose clamps (9 and 13), and remove flex hoses (10 and 21) from crankcase filter assembly
(18).
(5)
While supporting crankcase filter assembly (18), remove screws (15), lockwashers (16), from
bracket (17). Note position of arrow on head of assembly in relation to the bracket for installation
later. Remove crankcase filter assembly (18) from generator set.
(6)
As required, remove flex hose (10) from crankcase breather and flex hose (21) from exhaust pipe.
Remove bracket (17) from engine air intake pipe (20).
(7)
As required, remove nipple (26), elbow (25), nipple (24) elbow (23) and adapter (22) from head (5)
of crankcase breather filter (18). On other side of head (5), remove adapter (19).
e.
Installation.
NOTE
