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(3) Check valve poppets. Operate control
64. Tilt Control Value
lever to raise load to half of lift height;
a. Removal
then move lift control to neutral. After a
(1) Remove floor panels.
slight pause move lever to lift position.
(2) Disconnect, cap, and mark all hydrau-
The lift should neither hesitate nor drop
(3) Remove bolts and lockwashers that
slightly but raise smoothly. Should either
secure valve to truck and remove valve.
hesitation or drop occur, the valve poppet
must be repaired.
Repeat above
b. Disassembly.
procedure, operating tilt cylinder, to test
(1) Remove elbows (13 and 14, fig. 98) from
second valve poppet.
valve body (15).
(2) Remove preformed packing (6) from
62. Flow Divider
elbows.
a. Removal
(3) Remove adapters (5) from body.
(1) Disconnect and cap hydraulic lines at flow
(4) Remove packing (6) from adapters.
divider.
(5) Remove plugs (1), springs (8), and check
(2) Disconnect vent line at flow divider.
balls (4) from body.
(3) Remove capscrews and lockwashers that
(6) Remove packing (2) from plug (1).
secure divider (4, fig. 97) to bracket and
(7) Remove adapter (12), spacer (10), spool
remove divider.
(8) and spring (7) from body.
(4) If necessary, unscrew and remove the
(8) Remove preformed packing (9) from
elbows (8, 9, 12, and 18) and fitting (2)
spool (8).
from body.
(9) Remove packing (11) from adapter (12).
b. Installation. Reverse procedures in a above.
c. Inspection, Cleaning, and Repair.
(1) Clean all parts with SD and dry with
63. Row Divider Bracket
compressed air to clean out foreign
matter.
a. Removal
(2) Check for weak springs and sticking
(1) Remove control valve (par. 61).
spool.
(2) Remove flow divider (par. 62).
(3) Replace defective parts with serviceable
(3) Remove nuts, lockwashers, and screws
ones.
that secure bracket to hydraulic tank and
remove bracket.
d. Assembly. Reverse procedures in b above
using new packing.
b. Installation.
Reverse procedures in a above.
1
Capnut, adjusting screw
17
Beat, spring
2
Locknut, adjusting screw
18
Spring, plunger
3
Plug, relief valve pilot
19
Seat, spring
4
Packing, preformed
20
Screw, special
5
Screw, adjusting
21
Cap, plunger
6
Spring, relief valve pilot
22
Capscrews, cap-mounting
7
Poppet, relief valve
23
Plunger, double action
8
Sleeve, relief valve
24
Plug, check valve
9
Spring, relief valve
25
Packing, preformed
10
Rings, packing, valve plunger
26
Spring, check valve
11
Body, valve
27
Poppet, cheek valve
12
Packing, preformed
28
Plug, check valve
13
Plug, relief valve spring
29
Packing, preformed
14
Plunger, single action
30
Spring, check valve
15
Wiper with backup ring, plunger
31
Poppet, check valve
16
Plate, seal
Figure 96. Hydraulic control value, exploded view.
AGO 7010A
115
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