TM 9-2330-390-14&P
Change 4 4-269
Section XV. HYDRAULIC SYSTEM MAINTENANCE
Paragraph
Page
Number
Paragraph Title
Number
4-107.
Hydraulic Pump Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-269
4-108.
Hydraulic Control Valve Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-274
4-109.
Hydraulic Lines Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-287
4-110.
Hydraulic Lift Cylinder Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-301
4-111.
Hydraulic Reservoir and Redundant Power Fittings Replacement. . . . . . . . . . . . . . . . . . . . . .
4-305
4-112.
Hydraulic System Bleeding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-312
4-113.
Hydraulic System Bleeding (M1022A1 With Side Lift Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-315
4-114.
Hydraulic System Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-324
NOTE
Hydraulic positioning cylinders are located inside top and bottom beam telescoping
vertical tubes. Refer to paragraph 4-83 for positioning cylinders replacement.
4-107. HYDRAULIC PUMP MAINTENANCE.
This Task Covers:
a.
Removal
b.
Disassembly
c.
Cleaning and Inspection
d.
Assembly
e.
Installation
Initial Setup:
Equipment Conditions:
• Dolly set lowered (see paragraph 2-8)
• Engine starter switch set to OFF position (see
paragraph 2-20)
Tools/Test Equipment:
• General mechanic's tool kit (Item 30, Appendix G)
• Wrench, torque, 0-200 lb.-in. (Item 41, Appendix
G)
Materials/Parts:
• Hydraulic fluid (Item 15, Appendix F)
• Grease (Item 19 Appendix F)
• Rags (Item 25, Appendix F)
• Marker tags (Item 28, Appendix F)
• Masking tape, 2 in. (Item 32, Appendix F)
• One seal
• Two preformed packings
• Eight lockwashers
WARRANTY NOTICE
A one-time extended warranty is in effect on hydraulic pumps if found to be leaking within
18 months after shipped from factory. This warranty applies to all units whose 8 digit serial
number begins with numbers 107 to 484. If pumps are found to be leaking and have not
been previously replaced under warranty, contact Engineered Systems (2550 Market
Street, Aston, PA 19014-3426, U.S.A., telephone number (610) 494-8000, extension 261,
or fax (610) 494-8989) to verify system serial number and to obtain shipping instructions
for faulty pump and its replacement.
