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TM 5-2420-222-20-3
MANIFOLD BLOCK - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
REMOVAL - CONTINUED
9. Backhoe frame (1),
Manifold block (7)
a.
Take off.
two isolators
or manifold bracket
b.
Allow fluid to drain into drain pan.
(2 and 3), and
(8) with assembled
c.
Get rid of drained fluid (page 2-137).
three hoses
parts
(4, 5, and 6)
DISASSEMBLY
NOTE
On loader backhoes with Serial Numbers 235786 thru 235999, manifold block is welded
assembly which includes bracket. On loader backhoes with Serial Numbers 319995
thru 342573, manifold block and manifold bracket are separate parts. Both manifold
blocks are disassembled in same way except as noted.
10. Manifold block
Eight straight
a.
Place manifold block (7 or 9) in
(7 or 9)
adapters (10)
machinist’s vise.
with assembled
b.
Using 7/8-inch open-end wrench,
packings (11)
unscrew and take out.
11. Eight straight
Eight packings (11)
a.
Using pocket knife, take off.
adapters (10)
b.
Get rid of.
12. Two union
Two nuts (14) and
Using 7/8-inch and 1-inch open-end
adapters (12), two
two nuts (15)
wrenches, loosen.
union adapters (13),
and manifold
block (7 or 9)
13. Manifold block
Two union
a.
Note relative positions for proper
(7 or 9)
adapters (12) and
placement during assembly.
two union adapters
b.
Using 1-inch open-end wrench,
(13) with assembled
unscrew and take out.
parts
14. Two union
Two packings (16)
a.
Using pocket knife, take off.
adapters (12) and
and two
b.
Get rid of.
two union
packings (17)
adapters (13)
2-1274
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