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 TM
5-2420-224-34
CRANE VALVE BANK REPAIR (CONT)
CRANE VALVE BANK
NOTE
Apply coat of lubricating oil to packings prior to assembly.
INSTALL three new lock washers (1) and three NUTS (2) on three tie rods (3).
1.
CAUTION
All packings between valve sections must be replaced any time the tie rod nuts
a r e loosened or removed. Failure to do so may result in hydraulic fiuld leaks
a n d / o r equipment damage.
INSTALL inlet MANIFOLD (4) and four new packings (5).
2.
NOTE
Procedure is the same for all eight valve sections.
INSTALL rotator valve SECTION (6) and four new packings (7).
3.
4.
REPEAT STEP 3 for these valve sections: inner boom (8), outer boom (9), extension (10), horizontal
(11), left outrigger (12), right outrigger (13), and tilt (14).
INSTALL outlet MANIFOLD (15).
5.
NOTE
Before tightening nuts, make sure equal amount of threads are exposed on both ends of
crane valve bank.
INSTALL three new lock washers (16) and three NUTS (17).
6.
NOTE
Follow-on Maintenance:
Install crane valve bank (page 11-24).
20-154
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