RIDGID PRH0003 Manual

DANGER:
Do not use oxygen, combustible gases, or bottled gases as a power source for this tool. The tool will explode and cause
death or serious injury.
WARNING:
To reduce the risk of injury, the user must read and understand the operator's manual before using this product. If the operator's
manual which originally accompanied this tool is missing, visit us at www.ridgid.com or call 1-866-539-1710.
WARNING:
Disconnect the tool from the air supply before performing maintenance on this tool. Failure to do so could result in serious
personal injury.
WARNING:
The operation of any power tool can result in foreign objects being thrown into your eyes, which can result in severe eye
damage. Before beginning power tool operation, always wear safety goggles or safety glasses with side shields and, when
needed a full face shield. We recommend Wide Vision Safety Mask for use over eyeglasses or standard safety glasses with
side shields. Always use eye protection which is marked to comply with ANSI Z87.1.
6
7
9
10
13
11
12
14
15
17
16
18
Fig. 1
Valve Assembly
Includes
Key No. 10-18
14
Key No. 14
With Items 11-13
Installed
Fig. 2
OVERHAUL KIT
R350RHA Full Round Head Framing Nailer
R350CHA Clipped Head Framing Nailer
THIS KIT INCLUDES:
Trigger Valve Assembly (Key No. 99 for R350CHA or 106 for R350RHA)
Cylinder Cap Seal (9)
O-Rings (11-13, 24, 26)
Collar (15)
Seal (16)
Press Ring (20)
Piston Ring (21)
Cylinder Ring (27)
Bumper (28)
Retainer (44)
Grease
Overhaul Kit Instruction Sheet
Tools needed (but not included): 2.5 mm punch for removing trigger
pivot pin.
REMOVING AND REPLACING O-RINGS AND SEALS
See Figures 1 - 3.
1. Disconnect the tool from the air supply and remove any fasteners
that remain in the tool.
2. Using a 5 mm hex key, remove the four screws (6) from the top
cap (7) of the tool. Remove the top cap. Remove the cylinder cap
seal (9).
3. Remove the driver unit (22) from the cylinder (23).
4. Tap the tool against a piece of wood as shown in Figure 1. This will
separate the cylinder (23) from the tool body. Set the driver and
cylinder aside.
5. Remove the valve assembly (10-18) from the cap using a 4 mm
hex key.
NOTE: The valve assembly is spring-loaded. Hold the assembly
in place while removing screw (18).
6. Separate the seal (16) and valve (17) from the valve piston (14).
7. Remove o-rings (11, 12, 13), collar (15), and seal (16).
8. Clean all parts with a dry, clean cloth.
9. Apply a light coat of grease to new o-rings (11,12, 13) and install.
10. Reassemble parts in the order shown in Figure 2.
11. Reinstall valve assembly into tool cap and secure.
12. Set aside tool cap and proceed with cylinder maintenance.
PRH0003