Hydraulic System Oil Flow (Neutral Position) - New Holland LS140 Workshop Manual

6
5
HYDRAULIC SYSTEM OIL FLOW
Control Valve - Spools in Neutral Position
1. Hydraulic oil reservoir, 1, storage for system oil.
2. Oil flows through suction line, 2, from reservoir,
1, to gear pump, 3.
3. Oil flows from gear pump, 3, through pressure
line, 4, to control valve, 5.
4. Control valve, 5, is equipped with a system relief
valve, 6.
SECTION 35 - HYDRAULIC SYSTEM
2
4
3
7
35-22
1
11
5. With the control valve spools in neutral position,
the oil flows through center of control valve, 5, to
return line, 7.
6. The oil flows through return line, 7, to oil cooler,
8.
7. Oil passes through the oil cooler, 8, being cooled
with the air blast from engine fan through the
cooler.
8. Oil flows from the oil cooler, 8, through filter, 9,
and check valve, 10, to return line, 11, and reser-
voir, 1.
Copyright © New Holland
10
9
8
7
8