Powermatic COS18 User Manual
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PARTS LIST: Air Control Assembly (COS18 Cut-Off Saw)
Index Part 
No. No. Description Size Qty. 
 
1..........COS18-301 .................Toggle Joint .......................................... ...........................................1 
2..........COS18-302 .................Shaft ..................................................... ...........................................2 
3..........COS18-303 .................Cotter Pin.............................................. SSP-12...............................6 
4..........TS-1540071 ................Hex Nut................................................. M10x1.5P ...........................5 
5..........COS18-305 .................Shock Absorber..................................... Tokico3243.........................1 
6..........TS-1506131 ................Socket Head Cap Screw........................ M12x80 ..............................1 
7..........COS18-307 .................Ring ...................................................... M12 ....................................2 
8..........COS18-308 .................Nylon Ring ............................................ M12 ....................................2 
10 ........TS-155108 ..................Lock Washer ......................................... M12 ....................................1 
11 ........TS-1540081 ................Hex Nut................................................. M12x1.75P .........................5 
12 ........COS18-312 .................Valve .................................................... ...........................................2 
13 ........TS-2284352 ................Pan Head Machine Screw ..................... M4x35 ................................4 
14 ........TS-1540021 ................Hex Nut................................................. M4x0.7P .............................4 
15 ........COS18-140 .................Tube Fittings (L type) ............................ 1/8"x
φ
6...............................5
16 ........COS18-316 .................Plug ...................................................... 1/4"x10 ...............................1 
17 ........COS18-317 .................Tube Fittings (L type) ............................ 1/4”x
φ
6...............................1
18 ........COS18-141 .................Silencer................................................. 1/8”.....................................4 
19 ........COS18-319 .................Tube Fittings (T type) ............................ 1/4”x
φ
6...............................1
20 ........COS18-320 .................Tube Fittings (I type) ............................. 1/4”x
φ
10.............................2
22 ........COS18-322 .................Connector Block.................................... 1/8”.....................................2 
23 ........COS18-323 .................Nipple ................................................... 1/8”x1/8” .............................2 
24 ........COS18-215 .................Tube Fittings (T type) ............................ 1/8"x
φ
6...............................1
25 ........COS18-325 ................Tube Fittings (L type) ............................ 1/4”x
φ
10.............................1
26 ........COS18-326 .................Switch Control Box ................................ MS-P35 ..............................1 
27 ........TS-1533032 ................Pan Head Machine Screw ..................... M5x10 ................................4 
28 ........COS18-328 .................Toggle Joint .......................................... ...........................................1 
29 ........TS-2310162 ................Hex Nut................................................. M16x1.5P ...........................1 
30 ........COS18-330 .................Cylinder................................................. CB-50*230..........................1 
31 ........COS18-331 .................Jointer ................................................... 1/4"x3/8".............................2 
32 ........COS18-332 .................Air Regulator ......................................... 3/8”.....................................2 
34 ........COS18-234 .................Tube Fittings (L type) ............................ 3/8”x
φ
10.............................2
35 ........COS18-335L ...............Swaying Arm (Left Hand) ...................... ...........................................1 
35 ........COS18-335R ..............Swaying Arm (Right Hand) .................... ...........................................1 
36 ........COS18-336 .................Special Pin............................................ ...........................................1 
37 ........COS18-337 .................Shaft ..................................................... ...........................................1 
38 ........TS-2360121 ................Flat Washer .......................................... M12 ....................................4 
39 ........TS-0720111 ................Lock Washer ......................................... 1/2”.....................................3 
40 ........COS18-340L ...............Bracket (Left Hand) ............................... ...........................................2 
40 ........COS18-340R ..............Bracket (Right Hand)............................. ...........................................2 
42 ........TS-1491031 ................Hex Cap Screw ..................................... M10x25 ..............................4 
43 ........TS-1551071 ................Lock Washer ......................................... M10 ....................................8 
45 ........COS18-345L ...............Clamp Arm (Left Hand) ......................... ...........................................1 
45 ........COS18-345R ..............Clamp Arm (Right Hand) ....................... ...........................................1 
46 ........COS18-346 .................Limit Switch........................................... ...........................................1 
47 ........COS18-347 .................Danger Label......................................... ...........................................1