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CAT351HD 1 Rev. 07/24/07
Operating Instructions • Warning Information • Parts Breakdown
CAT351HD
3/8" High Powered
Heavy Duty
Impact Wrench
ALWAYS READ
INSTRUCTIONS
BEFORE USING
POWER TOOLS
ALWAYS WEAR
SAFETY GOGGLES
WEAR HEARING
PROTECTION
AVOID
PROLONGED
EXPOSURE TO
VIBRATION
Some dust created by power sanding, sawing, grinding, drilling, and other
construction activities contains chemicals known to cause cancer, birth
defects or other reproductive harm. Some examples of these chemicals are:
• lead from lead-based paints,
• crystalline silica from bricks and cement
and other masonry products, and
• arsenic and chromium from
chemically-treated lumber.
Your risk from these exposures varies, depending on how often you do this
type of work. To reduce your exposure to these chemicals: work in a well
ventilated area, and work with approved safety equipment, such as those
dust masks that are specially designed to filter out microscopic particles.
Working Torque: . . . . . . . . . . . . . .90-280 ft.lbs.
Maximum Torque: . . . . . . . . . . . . . . . 300 ft.lbs.
Free Speed: . . . . . . . . . . . . . . . . . . . 12,500 rpm
Rec. Air Pressure:. . . . . . . . . . . . . . . . . . . .90 psi
Air Inlet:........................ 1/4" npt
Rec Hose Size: .......................3/8"
Overall Length.......................5.7"
Weight...........................3.3 lbs.
Sound Level...................... 97 dBA
SPECIFICATIONS
CAT351HD 3 Rev. 07/24/07
Ref. # Item # DESCRIPTION QTY
1 RS351HD01 Inlet Bushing 1
2 RS351HD02 Exhaust Deflector 1
3 RS351HD03 Throttle Valve Spring 1
4 RS351HD04 Valve Stem 1
5 RS351HD05 Throttle Valve Seat 1
6 RS351HD06 Spacer 1
7 RS351HD07A Regulator & Reverse Valve (incl. #8, #9) 1
8 RS351HD08 Spring 1
9 RS351HD09 Ball 1
10 RS351HD10 Housing Cap 1
11 RS351HD11 Retainer 1
12 RS351HD12 O-Ring 1
13 RS351HD13 Gasket 1
14 RS351HD14 Motor Housing 1
15 RS351HD15 Trigger 1
16 RS351HD16 Plug Screw 1
17 RS351HD17 Ball Bearing 1
18 RS351HD18 Rear Plate 1
Ref. # Item# DESCRIPTION QTY
19 RS351HD19 Rotor 1
20 RS351HD20 Rotor Blade 6
21 RS351HD21 Cylinder 1
22 RS351HD22 Guide Pin 1
23 RS351HD23 Front Plate 1
24 RS227B25 Ball Bearing 1
25 RS351HD25 Hammer 2
26 RS351HD26 Hammer Cage 1
27 RS351HD27 Hammer Pin 2
28 RS351HD28 Anvil 1
29 RS351HD29 Retainer O-Ring 2
30 RS351HD30 Socket Retainer 1
31 RS351HD31 Anvil Bushing 1
32 RS351HD32 O-Ring 1
33 RS351HD33 Hammer Housing 1
34 Spring Washer 1
35 RS351HD35 Screw (including #34) 8
36 RS351HD36 Grip (not shown) 1
16
19
18
15
6
5
31
27
35
28
30
29
20
34
33
32
24
27
17
26
25
14
12
11
23
25
21
4
35
3
13
2
10
34
7
98
1
22
R
CORNWELL
TOOLS
PARTS BREAKDOWN - CAT-351HD
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