6
OPERATION No MA, 390.00 : C1
,ararteristics
ad special fratuws oj the source
apfd rescr7,e o/ pressur(~ - Hydraulic system.
PRESSURE REGULATOR
MAIN ACCUMULATOR
Main occumulotor 7
Spring cup
O-ring
8 Cut-in spring
Spring base plate
9 Spring plug
Spring housing
10 Spring adjusting shims
Cut-out spring
11 O-ring
Spring odjusting shims
12 Snap ring
CHARACTERISTICS
Pressure regulator with pilot slide-valve :
- Cut-out pressure
. .._......,_....____.............,.,.........................................
170 f 5 bars ( 2466 !I 73 psi )
_ Cut-in pressure __.....___.__.,..,.....,..,................,,...................................
145 + 5 bars ( 2103 + 73 psi )
Main accumulator :
- Capacity
. . . .
0.400 litre ( 0.70 pints )
- Mark on filler plug
. . ,
62
- Calibrated pressure
C /or checking purposes )
62
+
2
bars (899 f 29 psi )
- 10
- 145
SPECIAL FEATURES
Pressure regulator :
- Thickness of adjusting shims
.
0.30
mm
- For cut-out ..I.._......._..... .._. ,. .._. .:.. ,. ,. ..__.. ,. ..__ ,. ,. ._ ._.. .___
0.30
mm
- For cut-in
.._.... * .__....._._.,.,.,._.,.......................................
0.30 and 0.70 mm
- One .30 mm shim brings about a change in pressure by
. . . . . . . . . . , approx. 3 bars (44 psi 1
- One .70 mm shim brings about a change in pressure by
. . . . . . . . . approx. 7 bars ( 102 psi )
Ti$ttening torques :
- pressure regulator
fixing
Screws
. . . . .._.__.....__._...............................
1.8 daNm ( 13 ft.Ib )
- Main accumulator ..,.. ,. . . ,. __ . . . . .._. ., ,__. ._ __
2.5 to 4.5 daNm ( 18 to 32 l/2 ft.lb )
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