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TM 5-2420-222-20-3
MANIFOLD BLOCK - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
ASSEMBLY - CONTINUED
26. Manifold block
Two union adapters
Screw in and tighten to same relative
(1 or 2)
(3) and two union
position noted during disassembly
adapters (4) with
using 1-inch open-end wrench.
assembled parts
27. Two union adapters
Two nuts (5) and
Using 5/8-inch and 1-inch open-end
(3), two union
two nuts (6)
wrenches, tighten until seated against
adapters (4)
manifold block (1 or 2).
and manifold
block (1 or 2)
28. Eight straight
Eight new
Place in position.
adapters (7)
packings (8)
29. Manifold block
Eight straight
a.
Screw in and tighten using 7/8-inch
(1 or 2)
adapters (7)
open-end wrench.
with assembled
b.
Take manifold block (1 or 2) out of
packings (8)
machinist’s vise.
INSTALLATION
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.
30. Backhoe frame (9),
Manifold block (1)
Place in position.
two isolators
or manifold
(10 and 11), and
bracket (15)
three hoses
(12, 13, and 14)
31. Backhoe frame (9)
Two screws (16),
Screw in and tighten using 3/4-inch
and manifold block
washers (17), and
box wrench.
(1) or manifold
new lockwashers (18)
bracket (15
32. Two hoses (12 and
Clamp (19)
Place in position.
13), isolator (11),
and manifold block
(1) or manifold
bracket (15)
2-1278
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