DISASSEMBLY (CONT) - TM-3-4230-209-30-P0244

TM 3-4230-209-30&P

2-228

2-53. LOW PRESSURE HEATING BOILER ASSEMBLY (CONT).

REMARKS

ACTION

LOCATION/lTEM

Low Pressure Heating

Boiler Assembly/

WARNING

Be careful when removing the refractory box assembly.

Using a pry bar or a length of 2 X 4 inch lumber will help to

prevent crushed fingers or hands when the last machine

screw is removed.

Remove the four machine screws (21) and internal tooth lock

Machine screws (21)

washers (22) from the bottom side of the low pressure heating boiler (20).

Internal tooth lock

washers (22)

Remove twelve hexagon plain nuts (23), internal tooth lock washers (22)

Hexagon plain nuts (23)

and machine screws (21) from both sides of

Refractory box

assembly (24).

assembly (24)

Support the refractory box and

Refractory lining (25)

remove four hexagon plain

Refractory castable mix (26)

nuts (23), internal tooth lock

washers (22), and machine

screws (21 ) from the top side of

the low pressure heating

boiler (20). Remove refractory

box assembly (24), refractory

lining (25) and refractory

castable mix (26), as a unit.