RIDGID R175RND Quick Start 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, or a full face
shield when needed. 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.
1
5
6
4
7
8
9
10
12
14
15
Fig. 1
Valve Assembly
2
Includes
Key No. 9-14
3
11
13
Key No. 12
With Items 11-13
Installed
Fig. 2
OVERHAUL KIT
R175RND Coil Roofing Nailer
THIS KIT INCLUDES:
Seal (9)
O-Rings (11, 13, 20, 22)
Collar (14)
Cylinder Cap Seal (15)
Piston Ring (17)
Cylinder Ring (23)
Tools needed (but not included): 1/8-in. punch for removing head
valve assembly, and 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 bolts (5) from the top cap (8)
of the tool.
3. Remove the cylinder cap seal (15).
4. Remove the press ring (16).
5. Remove the driver unit (18) from the cylinder (19).
6. Tap the tool against a piece of wood as shown in Figure 1. This will
separate the cylinder (19) from the tool body. Set the driver and
cylinder aside.
7. Remove the cylinder spacer (21) from the tool body and set
aside.
8. Remove the muffler cap (2) using a 4 mm hex key. Set muffler
aside.
9. Using a 1/8-in. punch, gently push the valve assembly out of the
cap through the holes in the top of the cap.
10. Remove seal (9) and collar (14).
11. Remove o-rings (11, 13) on the head valve piston.
12. Clean all parts with a dry, clean cloth.
13. Apply a light coat of grease to new o-rings (11, 13) and install.
14. Reassemble parts in the order shown in Figure 2.
15. Push head valve assembly back into cap; apply sufficient pressure
to insure the seal (9) snaps into position.
16. Reinstall muffler assembly onto cap. Set aside and proceed with
cylinder maintenance.
Bumper (24)
Retainer (41)
Trigger Valve Assembly (114)
Grease
Overhaul Kit Instruction Sheet