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 TM 55-1905-242-14
0147 00
ASSEMBLY
1.
Procure the replacement parts necessary for repair of the fire monitor assembly.
2.
If removed, install the handle (19), grip (20), and stop stud (21) into the outlet elbow (6).
3.
Apply a light coat of petrolatum to one of the three the new O-rings (16) and insert it into its groove in the lower end of
the elbow (7).
4.
Assemble the elbow (7) to the fire monitor flange base (2) using a gentle twisting motion.
5.
Install the ball bearings (14) into their grooves (23) through the swivel plug (13) holes. Ensure that the same number of
ball bearings are installed as were removed during Disassembly.
6.
Install the swivel plugs (13) into the elbow (7).
7.
Install the brake ball (12) and the lower friction screw (11) (tagged in step 6 of Disassembly) into the elbow (7). Tighten
the lower friction screw lightly.
8.
Apply one to two drops of sealant compound, Loctite 242, onto the threads of the set screw (10) and install the set screw
into the elbow (7). Thread the set screw in until it contacts the lower friction screw (11) and then back it out one quarter
turn. Ensure that the lower friction screw moves easily after installing the set screw. Also ensure that the lower friction
screw cannot be backed out of the elbow past the set screw.
9.
Turn the elbow (7) one full turn in each direction and ensure that it moves freely throughout its range of motion. Check
the operation of the brake at several points and ensure that the elbow is held in place when the lower friction screw (11)
is tightened.
10. Install the brake band (18) onto the elbow (7).
11. Apply a light coat of petrolatum onto the other two new O-rings (16 and 17) and install them into their grooves.
12. Assemble the outlet elbow (6) to the elbow (7) using a gentle twisting motion.
13. Install the ball bearings (8 and 9) into their grooves (24) through the swivel plug (5) holes. Ensure that the same number
of ball bearings are installed as were removed during Disassembly.
14. Install the swivel plugs (5) into the outlet elbow (6).
15. Install the upper friction screw (4) (tagged in step 1 of Disassembly) into the outlet elbow (6). Tighten the upper friction
screw lightly.
16. Apply one to two drops of sealant compound, Loctite 242, onto the threads of the set screw (3) and install the set screw
into the outlet elbow (6). Thread the set screw in until it contacts the upper friction screw (4) and then back it out one
quarter turn. Ensure that the upper friction screw moves easily after installing the set screw (13). Also ensure that the
upper friction screw (14) cannot be backed out of the outlet elbow past the set screw.
17. Turn the outlet elbow (6) through its full range of motion and ensure that it moves freely. Check the operation of the
brake at several points and ensure that the outlet elbow is held in place when the upper friction screw (4) is tightened.
18. Dispose of used cleaning solvent and contaminated materials in accordance with local regulations.
INSTALLATION
1.
Use gasket material to fashion a new gasket (22). Use the old gasket as a pattern.
2.
Position the new gasket (22) on the fire monitor flange base (2).
0147 00-4
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