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Figure 15. Transmission Hydraulic Schematic.
Figure 16. Transmission Control Valves Schematic.

Maintenance Manual For Grader, Road, Motorized, Diesel Engine Driven, Heavy, Commercial Construction Equipment
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TM 5-3805-261-23-2
SCHEMATIC DIAGRAMS - CONTINUED
0352 00
LEGEND
A.
Passage for signal pressure
B.
Passage for signal pressure
E.
Passage for signal pressure
F.
Passage for signal pressure
G.
Passage for signal pressure
1.
Oil filter
4.
Main relief valve
5.
Oil cooler
7.
Oil pump
9.
Differential lock valve
14.
Manual modulation valve
15.
Differential, check and safety spool
16.
Pilot selector spool
17.
Speed selector spool (No. 4 clutch)
18.
Speed selector spool (No. 5 clutch)
19.
Passage from load piston
20.
Relief valve
21.
Passage to differential, check and safety valve
22.
Passage to No. 4 clutch
23.
Passage to No. 5 clutch
24.
Cooler bypass valve
25.
Lubrication relief valve
26.
Passage to differential lock clutch
27.
Passage to differential, check and safety valve
28.
Direction selector valve
29.
Priority reducing valve
30.
Passage to No. 6 clutch
31.
Modulating reducing valve
32.
Load piston
33.
Passage to No. 1 clutch (FORWARD)
34.
Passage to No. 2 clutch (REVERSE)
35.
Speed selector spool (No. 6 and No. 7 clutches)
36.
Speed selector spool (No. 3 clutch)
37.
Passage to No. 7 clutch
38.
Passage to No. 3 clutch
0352 00-40


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