JLG 1350SJP Service Manual - Manual (Page 341)

SECTION 5 - HYDRAULICS
3121142 – JLG Lift – 5-17
20. Secure the cylinder head gland using the washer ring
and socket head bolts. (See Table 5-1, Cylinder Head and
Tapered Bushing Torque Specifications and Table 5-2,
Holding Valve Torque Specifications)
21. After the cylinder has been reassembled, the rod should
be pushed all the way in (fully retracted) prior to the
reinstallation of any holding valve or valves.
22. If applicable, install the cartridge-type holding valve and
fittings in the rod port block, using new o-rings as appli-
cable. (See Table 5-2, Holding Valve Torque Specifica-
tions).
Figure 5-21. Rod Assembly Installation
Table 5-1. Cylinder Head and Tapered Bushing Torque
Specifications
Description
Head Torque Value
(Wet)
Tapered
Bushing Torque
Value (Wet)
Tele Cylinder (1200SJP) 120 ft. lbs.
(163 Nm)
30 ft. lbs.
(40.5 Nm)
Tele Cylinder (1350SJP) 120 ft. lbs.
(163 Nm)
45 ft. lbs.
(63 Nm)
Level Cylinder 120 ft. lbs.
(163 Nm)
9 ft. lb.s
(12.6 Nm)
Jib Cylinder 30 ft. lbs.
(41 Nm)
5 ft. lbs.
(9 Nm)
Lift Cylinder 300 ft. lbs.
(410 Nm)
120 ft. lbs.
(168 Nm)
Axle Oscillation
Cylinder 120 ft. lbs.
(163 Nm)
9 ft. lb.s
(12.6 Nm)
Axle Extend
Cylinder 50 ft. lbs.
(70 Nm)
9 ft. lb.s
(12.6 Nm)
Table 5-2. Holding Valve Torque Specifications
Description Torque Value
SUN - 7/8 HEX M20 X 1.5 THDS. 30-35 ft. lbs.
(41-48 Nm)
SUN - 1 1/8 HEX 1 -14 UNS THDS. 45-50 ft. lbs.
(61-68 Nm)
SUN - 1 1/4 HEX M36 X 2 THDS. 150-160 ft. lbs.
(204-217 Nm)
RACINE - 1 1/8 HEX 1 1/16 - 12 THDS. 50-55 ft. lbs.
(68-75 Nm)
RACINE - 1 3/8 HEX 1 3/16 - 12 THDS. 75-80 ft. lbs.
(102-109 Nm)
RACINE - 1 7/8 HEX 1 5/8 - 12 THDS. 100-110 ft. lbs.
(136-149 Nm)