SECTION 6 - MAST COMPONENTS
3121222
– JLG Lift –
6-13
6.8
MULTI-STAGE HYDRAULIC CYLINDER - SERVICING
Refer to Section 3.6, PUMP/LIFT/MAST - Theory of Operation for more detailed information on Hydraulic System.
Overview
The hydraulic cylinder for this machine is a multi-stage - three cylinder design.
Figure 6-15. 1230ES Lift Cylinder Internal Components - Top End
1.
Cyl. #3 - Gland
2.
Cyl. #3 - Wiper Seal
3.
Cyl. #3 - Main Seal
4.
Cyl. #3 - Gland Wire Retaining Ring
5.
Cyl. #3 - Gland O-Ring Seal
6.
Cyl. #1 - End Cap (a)
7.
Cyl. #1 - Piston Retaining Ring
8.
Cyl. #1 - Piston
9.
Cyl. #1 - Piston Guide Ring
10.
Cyl. #1 - Piston Damping Spring
11.
Cyl. #1 - Rod Guide/Spacer
Summary of Contents for 1230ES
Page 1: ...AS NZS Service and Maintenance Manual Model s 1230ES P N 3121222 June 22 2017 ...
Page 2: ...NOTES ...
Page 24: ...SECTION 1 MACHINE SPECIFICATIONS 1 12 JLG Lift 3121222 NOTES ...
Page 32: ...SECTION 2 GENERAL SERVICE INFORMATION 2 8 JLG Lift 3121222 NOTES ...
Page 78: ...SECTION 4 BASE COMPONENTS 4 40 JLG Lift 3121222 NOTES ...
Page 104: ...SECTION 5 CONTROL COMPONENTS 5 26 JLG Lift 3121222 NOTES ...
Page 158: ...SECTION 8 DIAGNOSTIC TROUBLE CODES 8 22 JLG Lift 3121222 NOTES ...
Page 198: ...SECTION 9 GENERAL ELECTRICAL INFORMATION SCHEMATICS 9 40 JLG Lift 3121222 ...
Page 199: ...SECTION 9 GENERAL ELECTRICAL INFORMATION SCHEMATICS 3121222 JLG Lift 9 41 ...
Page 200: ...SECTION 9 GENERAL ELECTRICAL INFORMATION SCHEMATICS 9 42 JLG Lift 3121222 ...
Page 202: ...SECTION 9 GENERAL ELECTRICAL INFORMATION SCHEMATICS 9 44 JLG Lift 3121222 NOTES ...