Service Manual
THREADED CLEVIS
CLEVIS SHAPE
\
VARIES
ROUND-WIRE
RETAINING
RING
FIG.
21.
Hydraulic
Lift
Cylinders
O-RING
&
GASKET
KIT
CONTENTS
The 101699 O-ring and Gasket
Kit
contains the
following items, and
is
used on cylinders
A
&
B
(Fig. 21):
ITEM
QTY.
DESCRIPTION
1
2
O-ring Piston and Guide Bushing
O.D.
2
1
O-ring, Guide Bushing
I.D.
3
1
Rod Wiper, Guide Bushing
4
2
Gasket, Piston
5
1
Snap Ring, Cylinder
6
1
O-ring, Piston Rod*
FIG.
22A.
Remove Clevis
&
Snap
Ring
. WORK POINTED TOOL
UNDER RETAINING RING
TO EASE REMOVAL
RETAINING RIN
1.
TAP
GUIDE
BUSHING
DOWN
INTO CYLINDER
114
in.
FIG.
22B.
Remove Retaining Ring
*Removeable
Piston Construction.
The 109088 Service Kit contains the following
items, and
is
used on cylinder
C
(Fig. 21):
3.
Thread
the
clevis partially onto the piston rod,
if
applicable. Tap the cylinder off the rod
bushing and piston with a soft-faced mallet.
ITEM
QTY.
DESCRIPTION
1
1
O-ring, Piston Rod
2
1
O-ring, Guide Bushing
I.D.
3
1
Back-up Washer, (Wiper
Side
of
4
1
Wiper, Guide Bushing
5
1
O-ring, Guide Bushing
O.D.
6 1
Rectangular Section Seal, Piston
7
1 O-ring, Piston
8
1 Retaining Ring
No
other repair parts are available.
The
lift
cylinder
must be replaced
if
the service
kit
fails to solve the
problem.
OVERHAUL PROCEDURE
Service Notes
Guide Bushing O-ring)
1. Use a clean, dirt-free work surface and clean
solvent to prevent system contamination.
2.
lubricate all internal parts with oil when
reassembling.
Disassembly
&
Reassembly
1.
2.
4. Cylinders serviced with 101699
Kit
are shown
in Fig. 24. Cylinders serviced with 109088
Kit
are shown in Fig.
25
and 26. Remove and
dis-
card all O-rings and seals. Straighten out a
paper clip and form a hook in one end to
remove O-rings from grooves.
FlG. 23.
Cylinder Removal
Loosen the setscrew and remove the clevis
(threaded type).
The
piston rod may be held
with locking pliers just behind the clevis, if
5.
Clean and carefully inspect all parts. In gen-
eral, any deep scratches or scoring of the piston
necessary. and
its
bore,
or
of the piston
rod
and the
I.D.
Remove the snap ring or retaining ring from
of
the rod bushing will make the cylinder
the cylinder (Fig.
22A
or
22B). unserviceable.
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