OVERHAUL KIT
R350RHF Full Round Head Framing Nailer
THIS KIT INCLUDES:
Seal (9)
Bumper (23)
O-Rings (10, 12, 15, 19, 22)
Washer (8)
Trigger Valve Assembly (24)
Mode Selector Switch (37)
Cap Seal (13)
C-Clip (40)
Piston Ring (14)
Grease
Cylinder Ring (20)
Overhaul Kit Instruction Sheet
Tools needed (but not included): 2.5 mm punch, 1.5 mm punch or 18GA
brad, 2 flat head screwdrivers and 5 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 5 mm hex key, remove the four
screws (4)
from the
cap (5)
.
Set cap and screws aside.
3. Remove the
cap seal (13)
.
4. Remove the
press ring (17)
from the top of the
cylinder (18)
. Set
aside.
5. With two flat head screwdrivers, gently pry the
cylinder (18)
from the
tool body as shown in Figure 1.
6. Remove the
driver unit (16
) from the
cylinder (18)
and set aside.
7. Remove the
muffler cap (2)
using a 5 mm hex key. Set
muffler
assembly (1-3)
aside.
8. Using a 2.5 mm punch, gently push the
head valve assembly (8-12)
out of the
cap (5)
through the holes in the top of the
cap (5)
.
9. Remove
seal (9)
and
washer (8)
from
head valve (11)
.
10. Remove
o-rings (10, 12)
from
head valve (11)
.
11. Clean all parts with a dry, clean cloth.
12. Apply a light coat of
grease
to new
o-rings (10, 12)
and install onto
head valve (11)
.
13. Install the new
seal (9)
and new
washer (8)
onto the
head valve (11)
.
14. Set
compression spring (7)
into the
cap (5)
.
15. Push
head valve assembly (8-12)
back into
cap (5)
. Be sure that the
grooves in the top of the
seal (9)
align with the grooves in the bottom
of the
cap (5)
. Apply sufficient pressure to insure the
seal (9)
snaps
into position.
16. Reinstall
muffler assembly (1-3)
onto
cap (5)
. Set aside and proceed
with cylinder maintenance.
8
11
12
10
7
13
5
4
9
2
3
1
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.
Fig. 1
Fig. 2
Head Valve
Assembly Includes
Key Nos. 8-12
Key No. 11
With Items 10 and
12 Installed
18
