Service Training
Page 4.2
Section 7
G BOOST PRESSURE PUMP
18 Gear pump, 23 cc/rev.; i = 1.18, resulting in 27 cc/rev.
18a Way valve - auxiliary braking
18b Restrictor
18c Restrictor
H ENGINE
J ENGINE SPEED CONTROL CYLINDER
K VARIABLE-DISPLACEMENT PUMP BPV 100, ASSY.
19 Variable-displacement pump
20 3/2-way valve
Reversing lock
21 3/3-way valve
22 Control piston
22a Nozzles, 1.44 mm
23 4/3-way valve - pilot valve
24 Servo piston
25 Combined feed and pressure-relief valve 330
+20
bar (H 50/60)/390
+20
bar (H 70/80)
26 Boost pressure valve 17.5 bar
L WORKING HYDRAULICS PUMP
27 Axial piston pump MPF 55
M POWER STEERING PUMP
28 Gear pump 27 cc/rev
N POWER LIMITER
29 6/2-way valve
30 Pressure reducing valve
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