10
2013 & 2014 series Pneudraulic Installation Tools
(HK978)
Disassembly
This procedure is for complete disassembly of the tool.
Disassemble only those components necessary to replace
damaged O-rings, Quad-rings, Back-up rings, and worn or
damaged components. For component identification, see
Figures 10–13.
1. Disconnect the tool from the air source.
2. Unscrew adapter and remove nose assembly.
3. Unscrew bleed plug, including O-ring, from top of
head/handle. Drain fluid into a container. Tool can be
cycled to clear more completely. Discard the fluid.
4. Model
2013
: Pull pintail deflector off end cap.
5.
Remove the throttle arm pivot screw and lift out the
throttle arm. Disconnect the ball end of the cable
assembly from the throttle arm.
6. Secure the tool upside-down in a soft-jaw vise, and
remove three button-head screws with a 1/8” hex key
.
Remove the bottom plate and gasket. Remove muffler
from bottom plate. Remove spring from throttle valve.
7. Tap cylinder head down into the cylinder assembly and
remove the retaining ring.
8. Screw button-head screws into the cylinder head, and
carefully pry on them to remove the cylinder head.
9. Use VISE-GRIP pliers to grip the self-locking nut and
pull out the air piston and rod assembly from the
handle and cylinder assemblies.
NOTE
:
Air Piston and rod should not be
disassembled and reassembled. If the locknut
loosens, apply Loctite 271-05; tighten to 25–30 ft.-
lbs.
10.
Remove bumper from gland sssembly. Unscrew the
gland with a 1-3/8” socket wrench and extension.
11.
Remove the retaining ring from the gland. Pull out the
spacer and Polyseal.
12. Model
2013V
: (Figure 12) Press the ring on the tube
connector (45) downward to release the tube
.
13. Lift cylinder assembly from handle assembly.
14.
Turn over the handle assembly and drain fluid into
container. Discard fluid
.
15. Pull throttle valve out of the cylinder assembly.
NOTE
:
The throttle valve bushings do not typically
require service.
16. Secure handle assembly in a vise, and continue with
the procedure that is applicable to your tool.
Model
2013
: (Figure 10) Remove end cap with a 15/16”
open-end wrench. Remove spring, washer, and wiper
seal.
Model
2014
: (Figure 13) Remove end cap with a 15/16”
open-end wrench. Remove spring.
Models
2013B
&
2013V
: (Figures 11 & 12)
a. Rotate the pintail bottle until the retaining ring
holes are visible. Then, reach through the bottle
window with angled retaining ring pliers and
remove the retaining ring.
b. Through the same window, remove washer.
c. Remove the pintail bottle.
Model
2013B
: Remove the end cap with a 15/16”
open-end wrench. Remove spring, washer, and
wiper seal
.
Model
2013V
:
i. Carefully slide tubing and slide assembly off of
the end cap assembly.
ii. Remove the end cap assembly with a 15/16”
open-end wrench.
The tool has been properly disassembled. Store all
reusable
parts (screws and disassembled components) in a clean,
dry area.
WARNINGS:
Disconnect the air hose from the tool before:
•
Removing or attaching the nose assembly
•
Performing maintenance on the tool or nose
assembly
•
Replacing tool components
The tool may be activated if it is connected and the
cylinder is under pressure; serious personal injury could
result.
CAUTIONS:
Always use a soft-jaw vise to avoid
damaging the tool.
Do not reuse seals, wipers, or
rings; irreparable tool damage
could occur. Discard these parts
and use replacements (see
Kits &
Accessories
).
CAUTION: Do NOT scratch, nick, or ding piston
rod. This will cause permanent hydraulic
leakage.
CAUTION: The bushings in the cylinder must
be replaced only if new throttle valve seals
cannot correct an air leak.
Send the unit to an authorized repair center to
have the bushings replaced.
