TM 5-3820-241-34
Legend for Pig. 3-2:
1 Hex head capscrew
2 Lockwasher
3 Piston rod assembly
4 Piston rod bushing
5 Piston rod spacer
6 Backing plate
7 O-ring
8 U-cup
9 Piston
10 O-ring
11 Backing plate
12 Cylinder head
13 Spring
14 Male adapter
15 V-packing
16 O-ring
17 Back up ring
18 Gland nut
19 Rod wiper
20 Retaining ring
21 Pipe plug
22 Piston check pilot
23 Piston ring
24 Pipe plug
25 Spring
26 Poppet
27 Barrel assembly
(2) Use a suitable drift and drive out
bushings (4) and spacers (5).
3-3. Feed Tilt Cylinder Cleaning, Inspection and
Repair
a. Cleaning.
(1) Wash all
parts except O-rings and
packings with cleaning solvent (Fed Spec PD 680)
and dry thoroughly.
(2) Discard and replace O-rings and
packings.
b. Inspection and Repair.
(1) Inspect the piston and rod for bent
condition, scratches or dents.
(2) Inspect the barrel bore for deep dents or
scoring.
(3) Inspect all threaded areas for damaged
threads.
(4) Inspect the piston check pilot for ex-
cessive wear or other damage.
(5) Inspect the remaining parts for excessive
wear or other damage.
(6) Repair by replacement of all defective
parts.
3-4. Feed Tilt Cylinder, Reassembly and In-
stallation
a. Reassembly.
(1) Reassemble the feed tilt cylinder in the
reverse of numerical sequence as illustrated in
figure 32.
(2) Align the holes in spacer (5) with the hole
in the piston rod (3). Lubricate and press spacer
(5) and bushings (4) into position.
b. Installation.
(1) Install the feed tilt cylinder in reverse of
numerical sequence as illustrated in figure 3-1.
(2) Refer to LO 5-3820-241-12, service the
hydraulic reservoir.
3-5. Boom
Lift
(Cylinder Removal and
Disassembly
a. Removal.
(1) Lower the boom to rest on the ground,
Loosen hose connections and allow hydraulic oil
to bleed into a drain pan.
(2) Remove the
b o o m l i f t c y l i n d e r i n
numerical sequence as illustrated in figure 3-3.
3-5
