
maintenance instructions
page 8 of 8
Model PFI--1
PRODUCTS CORPORATION
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457--4926
TEL. 860--347--7271 FAX. 860--347--6978 WWW.jarvisproducts.com
®
JARVIS
6223015::.
8 PISTON AND SEAL ASSEMBLY:
8.1 Reverse steps and procedures outlined in section
7. See notes below.
8.2 Apply a generous amount of Jarvis 1315 White
Grease to U--cup seals (item 36) before instal-
ling back into frame and cylinder housing (item
17).
8.3 Make sure that the flat surface of U--cup seals
(item 36) are facing each other.
8.4 Apply Loctite 262 to threads of hex nut (item 35)
before tightening.
8.5 Make sure retaining ring (item 39) is seated
properly into groove of frame and cylinder hous-
ing (item 17).
9 PISTON ROD AND SEAL REMOVAL:
9.1 Remove cam rollers (item 19). Refer to steps
and procedures outlined in section 3.
9.2 Remove single and double claws (items 29 and
26). Refer to steps and procedures outlined in
section 5.
9.3 Remove piston and U--cup seals (items 34 and
36). Refer to steps and procedures outlined in
section 7.
9.4 Slide piston rod and yoke (item 22) out from the
front end of frame and cylinder housing (item
17).
9.5 Remove U--cup seal (item 20) from inside the
front end of frame and cylinder housing (item
17).
9.6 Remove o--ring (item 21), if necessary.
9.7 Clean and inspect all parts for wear and replace
them if necessary.
10 PISTON ROD AND SEAL ASSEMBLY:
10.1 Reverse steps and procedures outlined in section
7. See notes below.
10.2 Apply a generous amount of Jarvis 1315 White
Grease to U--cup seal (item 20) before installing
into frame and cylinder housing (item 17).
10.3 Make sure flat surface of U--cup seal (item 20)
is facing toward the front end of frame and cylin-
der housing (item 17).
10.4 Follow steps and procedures outlined in section
8.
10.5 Follow steps and procedures outlined in section
6.
11 TRIGGER VALVE ASSEMBLY REMOVAL:
11.1 Remove set screw (item 6) from handle (item 4).
11.2 Remove trigger and valve assembly (item 10)
from handle.
11.3 Remove compression spring (item 8).
11.4 Remove set screw (item 7) from handle (item 4).
11.5 Remove valve bushing from handle (item 4).
Use Jarvis special tool (part number 8330024)
to remove and install valve bushing.
11.6 Clean and inspect all parts for wear and replace
them if necessary. NOTE: If any part of trigger
valve assembly needs to be replaced, the whole
valve assembly must be replaced. Do not mix old
and new parts.
12 TRIGGER VALVE ASSEMBLY INSTALLA-
TION:
12.1 Reverse steps and procedures outlined in section
9. See notes below.
12.2 Keep trigger and valve assembly (item 10) and
handle (item 4) clean from any dust or dirt.
12.3 Make sure trigger and valve assembly is
installed as a set. Do not mix old and new parts.
12.4 Apply a light coat of of Jarvis 1315 White
Grease to trigger and trigger valve sleeve before
installing into handle.
12.5 Make sure o--rings (item 9) are set properly in
grooves of trigger valve sleeve when installing
into handle.
12.5.1 Apply a light coat of grease around o--rings
to help keep them in place and to help slide
trigger valve sleeve into handle, if neces-
sary.
12.6 Use Jarvis special tool (part number 8330024)
to align trigger valve sleeve into handle (item 4).
See note below.
12.6.1 Align air passage holes (facing upward) of
trigger valve sleeve with air passage holes of
handle. Make sure indent (spot face) in
valve sleeve aligns with set screw (item 7).