RIDGID R175RNF 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.
19
5
4
6
8
9
10
12
14
15
Fig. 1
1
2
Head Valve
Assembly includes
items 9-14
3
11
13
Key No. 12
With Items 11-13
Installed
Fig. 2
OVERHAUL KIT
R175RNF Coil Roofing Nailer
THIS KIT INCLUDES:
Seal (9)
O-Rings (11, 13, 20, 22)
Trigger Valve Assembly (25)
Cylinder Cap Seal (15)
Piston Ring (17)
Cylinder Ring (23)
Overhaul Kit Instruction Sheet
Tools needed (but not included): 2.5 mm punch, 1.5 mm punch or 18GA
brad, flat head screwdrivers and 4 mm hex key.
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 4 mm hex key, remove the four screws (5) from the cap (8)
and the two brackets (6). Set aside.
3. Remove the cylinder cap seal (15).
4. Remove the press ring (16) from the top of the cylinder (19). Set
aside.
5. With two flat head screwdrivers, gently pry the cylinder (19) from the
tool body as shown in Figure 1.
6. Remove the driver unit (18) from the cylinder (19) and set aside.
7. Remove the muffler cap (2) using a 4 mm hex key. Set muffler
assembly (1-4) aside.
8. Using a 1/8-in. punch, gently push the head valve assembly (9-14)
out of the cap (8) through the holes in the top of the cap.
9. Remove seal (9) and collar (14) from head valve (12).
10. Remove o-rings (11, 13) from head valve (12).
11. Clean all parts with a dry, clean cloth.
12. Apply a light coat of grease to new o-rings (11, 13) and install onto
head valve (12).
13. Install the new seal (9) and new collar (14) onto the head valve (12).
14. Set compression spring (10) into the cap (8).
15. Push head valve assembly (9-14) back into cap (8); apply sufficient
pressure to insure the seal (9) snaps into position.
16. Install muffler assembly (1-4) into top cap (8). Set aside and proceed
with cylinder maintenance.
Bumper (24)
Collar (14)
Mode Selector Switch (39)
Spring pin (41)
Grease