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