TM 3-4230-209-20&P
2-208
2-40. LOW PRESSURE HEATING BOILER ASSEMBLY.
This task covers:
c. Repair
a. Disassembly
d. Reassembly
b. Cleaning
INITIAL SETUP
Equipment Condition
Tools and Special Tools
Assembled
Automotive Maintenance and Repair Shop Equipment, Less Power
(SC 4910-95-CL-A72 and SC 4910-95-CL-A74)
Special Safety Instructions
WARNING
Materials/Parts
Brush (item 6, app D)
When handling asbestos material, always wear an air filtering respirator,
Chemical and oil protective gloves (item 21, app D)
gloves, and goggles. Wash face and hands before eating or smoking. Asbestos
Dry cleaning solvent (item 14, app D)
can cause cancer if handled without protection.
REMARKS
ACTION
LOCATION/lTEM
Low Pressure Heating Boiler
WARNING
Assembly/
When handling asbestos material, always wear an air
Hexagon plain nuts (1)
Unscrew and remove eight hexagon plain nuts (1), eight internal tooth
filter respirator, gloves, and goggles. Wash face and
lock washers (2), and hexagon cap screws (3).
Internal tooth lock
hands with soap and water before eating or smoking.
washers (2)
Asbestos can cause cancer if handled without protec-
Hexagon cap screws (3)
tion.
Remove cover plate (4) and gasket (5).
Cover plate (4)
Gasket (5)
Unscrew connector on end of ignition cable assembly (6),
Ignition cable assembly (6)
Gas spark igniter (7)
Disconnect but do not remove the ignition cable assembly (6) from gas
