Filter
Top Products
11
307-730
Roller
V
alve
WARNING
Always follow the Pressure Relief Procedure
Warning
on page 10 before attempting any repair
.
NOTE: Order
Repair Kit P/N 218–960 to repair this
roller
valve.
1. Tap
out the pin (A) from the trigger (B) and slide the
trigger
of
f of the valve (N). See Fig 6
.
2. Remove
the cap (C). Use a 1/2 in. socket wrench to
screw
the fluid housing (D) out of the valve. Remove
the
o–ring (J). See Fig 6
.
3.
Pull the needle (K) out with needle nose pliers. See
Fig 6
.
4. T
ap the seat (G) out of the valve (N). See Fig 6
.
5. Remove the ball (F) and spring (E) from the valve
handle.
See Fig 6
.
6. Turn
the nylon screw (L)
into the packing (H). Insert
the
needle (K) through the bottom of the housing (D)
and
push the packing out the top of the fluid housing.
See
Fig 7
.
7. Clean
all parts
thoroughly
. Use a cotton-tipped swab
or
pipe cleaner to clean small orifices.
8. Grease
the needle (K) and packing (H). Insert the ta
-
pered
end of the needle into the back (flat) side of the
packing.
See Fig 8
.
9. Guide
the tapered end of the needle into the assem
-
bly
tool (M) and press
the lips of the packing over the
end
of the tool. See Fig 8
.
10. Guide
the tool (M) into the fluid housing (D) until the
needle
protrudes through
the bottom of the housing.
Lightly tap the end of the tool until you “hear” the
packing
bottom in the housing. Remove the tool with
pliers.
See Fig 8
.
11. Grease
the seat (G) and place it on the fluid housing
so the seat which is formed on the inside diameter
faces
out. See Fig 9
.
12. Install
the spring (E) in the spring cavity of the valve
handle (N), then install the ball (F) so it is centered
on
the spring. See Fig 9
.
13. Place
the o-ring (J)
around the fluid housing. Pushing
lightly
with your fingers, start the threads of the
hous
-
ing into the valve handle. T orque the housing to
23–27
in–lb (2.6–3 N.m). See Fig 9
.
14.
Push on the needle until you feel some resistance.
15. Grease the cap (C) and place it on the end of the
needle.
See Fig 9.
16. Slide the trigger (B) into place. Install the pin (A) in
the trigger
. See Fig 6.
0290
N
E
F
G
H
J
K
D
C
B
A
Fig 6
Fig 7
0291
L
H
D
K
Fig 8
0292
MHKD
TAPERED
END
LIPS OF P
ACKING
(H) F
ACE OUT OF
HOUSING (D)
Fig
9
0293
J
D
TORQUE
T
O
23–27 in–lb
(2.6–3 N.m)
P
CENTER ON SPRING
C
G
N
E
GREASE
SEA
T MUST
F
ACE BALL