168. Compression Roll Sprinkler Mat
a. General. The compression roll sprinkler mat assembly is similar in construction to the steering roll mat
assembly. Refer to paragraph 161 above for a general description.
b. Removal (fig. 80).
(1)
Remove the cotter pins (1) and remove the sprinkler mat support (6) and sprinkler mat (12).
1
Pins, cotter, 3/16 x 2 (2 req'd)
8
Washers, flat, 1/4 (18 req.'d)
2
Caps, pipe, galv, 3/8 (2 req'd)
9
Washers, lock, std, 1/4 (18 req'd)
3
Sprinkler pipes, galv, 3/8 (2 req'd)
10
Nuts, hex, 1/4-20 NC (18 req'd)
4
Tee-connector, galv, 3/8 x 3/8 x 3/4
11
Screws, cap, hex hd, 1/4-20 NC x1 1/4 (12 req'd)
5
Nipple, close, galv, 3/4
12
Sprinkler mat
6
Sprinkler mat support
7
Screws, cap, hex hd, 1/4-20 NC x 1 1/2 (6 req'd)
Figure 80. Compression roller sprinkler mat disassembled.
(2)
Unscrew and remove the close nipple (5).
(3)
Remove the compression roll sprinkler pipe (3).
c.
Disassembly (fig. 80).
(1)
Unscrew and remove the pipe caps (2).
(2)
Unscrew and remove the compression roll sprinkler pipes (3) from the tee-connecter (4).
(3)
Remove the mounting screws (7), flatwashers (8), lockwashers (9), and nuts (10), attaching the sprinkler
mat (12) to the
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