Holding Valve Torque Specifications - JLG 1200SJP Service Maintenance Manual

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)

Figure 5-21. Rod Assembly Installation
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).
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Table 5-1. Cylinder Head and Tapered Bushing Torque
Description
Tele Cylinder (1200SJP)
Tele Cylinder (1350SJP)
Level Cylinder
Jib Cylinder
Lift Cylinder
Axle Oscillation
Cylinder
Axle Extend
Cylinder
Table 5-2. Holding Valve Torque Specifications
Description
SUN - 7/8 HEX M20 X 1.5 THDS.
SUN - 1 1/8 HEX 1 -14 UNS THDS.
SUN - 1 1/4 HEX M36 X 2 THDS.
RACINE - 1 1/8 HEX 1 1/16 - 12 THDS.
RACINE - 1 3/8 HEX 1 3/16 - 12 THDS.
RACINE - 1 7/8 HEX 1 5/8 - 12 THDS.
– JLG Lift –
SECTION 5 - HYDRAULICS
Specifications
Tapered
Head Torque Value
Bushing Torque
(Wet)
Value (Wet)
120 ft. lbs. 30 ft. lbs.
(163 Nm) (40.5 Nm)
120 ft. lbs. 45 ft. lbs.
(163 Nm) (63 Nm)
120 ft. lbs. 9 ft. lb.s
(163 Nm) (12.6 Nm)
30 ft. lbs. 5 ft. lbs.
(41 Nm) (9 Nm)
300 ft. lbs. 120 ft. lbs.
(410 Nm) (168 Nm)
120 ft. lbs. 9 ft. lb.s
(163 Nm) (12.6 Nm)
50 ft. lbs. 9 ft. lb.s
(70 Nm) (12.6 Nm)
Torque Value
30-35 ft. lbs.
(41-48 Nm)
45-50 ft. lbs.
(61-68 Nm)
150-160 ft. lbs.
(204-217 Nm)
50-55 ft. lbs.
(68-75 Nm)
75-80 ft. lbs.
(102-109 Nm)
100-110 ft. lbs.
(136-149 Nm)
5-17