SHOP MANUAL
Paragraph 128Cont.
Remove retaining pin (19-Fig. 172),
piston rod (18) and lift arms (25). Bump
rockshaft (23) out right side of housing.
Spacers (21), "0" rings (22) and bushings
(24) can be removed at this time.
Inspect cylinder liner and piston for ex-
cessive wear, scoring or other damage.
Renew cylinder liner if wear exceeds 0.15
mm (0.006 inch). Clearance between
rockshaft and bushings should not exceed
0.5 mm (0.020 inch). Press new bushings
(3-Fig.l74) into housing until 30.5-31.5
mm (1.20-1.24 inches) below outer surface
(A) on right side and 26.5-27.5 mm
(1.05-1.08 inches) below outer surface (B)
on left
side.
Clearance between piston rod
(18-Fig. 172) and pin (19) should not ex-
ceed 0.4 mm (0.016 inch).
Fig. 175—install backup
rings and "O" rings on
piston (5) and cyiinder head
(1) as shown.
1.
Cylinder head
2.
"0" ring
3.
Back-up ring
4.
"0" ring
5.
Piston
6. "O" ring
7.
Back-up ring
When reassembling rockshaft and
components, be sure to match alignment
marks as shown in Fig. 173. Make cer-
tain back-up rings and "0" rings are in-
stalled correctly on piston and cylinder
head as shown in Fig. 175. Tighten
cylinder head cap screws to a torque of
80-90 N-m (60-65 ft.-lbs.).
R R«d
B BIcck
B W Black White
R ' W Red Whi t e
0 Orange
¥ ' B Yetlow ' Black
Y Yollow
G W Green Whi t e
Bl W Blue W hi t e
FlH»>«r Lamp 4L«ftl
lMhef Lamp IRtghil
Fig. 176—Wiring diagram tor Model L285.
61
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