FIXED FIRE EXTINGUISHER MANIFOLD REPLACEMENT

TM 5-5420-202-20-4

FIXED FIRE EXTINGUISHER MANIFOLD REPLACEMENT

(Sheet 1 of 2)

TOOLS: 1-5/8 in. open end wrench

1-1/16 in. open end wrench

1-1/4 in. open end wrench

Torque wrench with 1/2 in. drive

10 in. extension with 1/2 in. drive

1-1/4 in. crowfoot wrench

1-5/8 in. crowfoot wrench

REMOVAL:

CAUTION

Immediately after removing each dis-

charge line, install protective cap to

cover exposed part. Use protective caps

stowed on dummy plugs at neck of cyl-

inder.

Using 1-5/8 inch wrench, remove three nuts (A) attaching manifold assembly (B) to three

cylinders (C).

Using hands, remove protective cap (D)

from dummy plug (E) and install on each

of the three cylinders (C).

Using 1-1/16 inch wrench and 1-1/4

inch wrench, hold fitting (F) and remove

tube nut (G).

Using hands, lift manifold assembly

(B) from the area.

INSPECTION:

Check manifold assembly (B) and nuts

(A) for cracks or wear.

NOTE

To check threads on cylinders for wear, it will

be necessary to remove protective caps (D).

Check threads on cylinder (C) for wear.

Replace necessary parts.

Go on to Sheet 2