11 cylinder removal and installation, Cylinder removal and installation -26 – JLG 45e Service Manual User Manual

Page 51

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SECTION -

3120861

– JLG Lift –

-25

L

2.11 CYLINDER REMOVAL AND

INSTALLATION.

Upper (Main) Boom Lift Cylinder Removal.
(See Figure 2-24)

1.

30/35/n35 electric - Place the machine on a flat and
level surface. Place the Upper Boom in a horizontal
position. Shut down machine and prop boom.

40/n40/45 electric - Place the machine on a flat and
level surface. Place the Upper Boom in a horizontal
position. Place Lower and Mid Booms 5 degree

Table 2-1.

Cylinder Piston Nut Torque Specifications.

Description

Nut Torque Valve

(Wet)

Setscrew Torque

Value (Dry)

Model 30 electric

Upper Lift Cylinder

271 Nm

12 Nm

Lower Lift Cylinder

271 Nm

12 Nm

Steer Cylinder

N/A

N/A

Model 35/n35 electric

Upper Lift Cylinder

271 Nm

12 Nm

Lower Lift Cylinder

542 Nm

12 Nm

Slave Cylinder (To 12/94)

68 Nm

12 Nm

Slave Cylinder
(From 12/94 to present)

109 Nm

12 Nm

Master Cylinder (To 1/95)

68 Nm

12 Nm

Master Cylinder
(From 1/95 to present)

109 Nm

12 Nm

Rotator Cylinder

N/A

N/A

Steer Cylinder

N/A

N/A

Telescope Cylinder Piston Nut Torque

Specifications.

Description

Locknut Torque Value (Dry)

Tele Cylinder

203 Nm

Model 40/n40 electric

Upper Lift Cylinder

271 Nm

12 Nm

Mid Lift Cylinder

271 Nm

12 Nm

Lower Lift Cylinder

542 Nm

12 Nm

Slave Cylinder (To 12/94)

68 Nm

12 Nm

Slave Cylinder
(From 12/23/94
to present)

109 Nm

12 Nm

Master Cylinder (To 1/95)

68 Nm

12 Nm

Master Cylinder
(From 1/95 to present)

109 Nm

12 Nm

Rotator Cylinder

N/A

N/A

Steer Cylinder

N/A

N/A

Telescope Cylinder Piston Nut Torque

Specifications.

Description

Locknut Torque Value (Dry)

Tele Cylinder

203 Nm

Table 2-1. Cylinder Piston Nut Torque Specifications.

Description

Nut Torque Value

(Wet)

Setscrew Torque

Value (Dry)

Model 45 electric

Upper Lift Cylinder

271 Nm

12 Nm

Mid Lift Cylinder

542 Nm

12 Nm

Lower Lift Cylinder

542 Nm

12 Nm

Slave Cylinder
(To 12/94)

68 Nm

12 Nm

Slave Cylinder
(From 12/94
to present)

109 Nm

12 Nm

Master Cylinder
(To 1/95)

68 Nm

12 Nm

Master Cylinder
(From 1/95
to present)

109 Nm

12 Nm

Rotator Cylinder

N/A

N/A

Steer Cylinder

N/A

N/A

Telescope Cylinder Piston Nut Torque

Specifications.

Description

Locknut Torque Value (Dry)

Tele Cylinder

203 Nm

Table 2-2.

Holding Valve Torque Specifications.

Description

Torque Value

SUN - 7/8 HEX M20 X 1.5 THDS.

41-48 Nm

SUN - 1 1/8 HEX 1 -14 UNS THDS.

61-68 Nm

SUN - 1 1/4 HEX M36 X 2 THDS.

204-217 Nm

RACINE - 1 1/8 HEX 1 1/16 - 12 THDS.

68-75 Nm

RACINE - 1 3/8 HEX 1 3/16 - 12 THDS.

102-109 Nm

RACINE - 1 7/8 HEX 1 5/8 - 12 THDS.

136-149 Nm

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