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TM5-2420-222-34
14-12
BACKHOE BOOM AND SWING VALVES REPAIR (Con’t).
3.
Remove valve cap (17) from valve body (2). Remove valve body from vise.
4.
Hold clevis rod end (5) to prevent turning. Remove bolt (16) from spool plug (3).
5.
Remove spool spring (15), spring pin (14), and two washers (13) from valve body (2).
6.
Remove valve (4), sleeve bushing (12), and two preformed packings (10 and 11) from valve body (2). Discard
preformed packings.
NOTE
Step 7 applies only to boom valve.
7.
Remove fluid flow restrictor (1) from valve body (2).
8.
Wrap valve (4) in a clean rag and place in vise with caps.
NOTE
Ensure that spring and fluid flow restrictor do not fall out when clevis rod end and
preformed packing are removed.
9.
Remove clevis rod end (5) and preformed packing (20) from valve (4). Discard preformed packing.
10.
Remove two springs (19) and fluid flow restrictors (18) from valve (4).
11.
Remove spool plug (3) and preformed packing (21) from valve (4). Discard preformed packing.
12.
Remove two backhoe boom or swing valve relief valves from valve body (2) (see paragraph 14-13).
TA701591
14-61
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