SECTION IV
MAINTENANCE / SERVICE
NOTE
Screwing adjusting screw inward raises pressure
setting of pressure relief valve. Unscrewing adjusting
screw lowers pressure setting of pressure relief valve.
(17) Screw adjusting screw (5) inward or outward as
necessary (approximately 1/4 turn at a time).
(18) Repeat steps 10 thru 17 until pressure gauge
reading is 9 to 10 BAR (130.5 to 145.0 PSI).
(19) Secure adjusting screw (5) in place with cap
(6). Then repeat steps 10 thru 17 one more time
to ensure reading was not changed.
(20) Lay table onto its left side.
DANGER
There is high oil pressure in Test
Gauge Assembly. Failure to release
pressurized oil, as instructed in following step,
before removing Test Gauge Assembly will result
in release of pressurized oil. This could result in
serious personal injury.
(21) Open shutoff valve of Test Gauge Assembly to
allow oil pressure to dissipate.
(22) Disconnect hose (A) of Test Gauge Assembly
from TEE of Test Gauge Assembly.
(23) Disconnect hose (3) from TEE of Test Gauge
Assembly.
(24) Disconnect TEE from swivel fitting (4).
(25) Disconnect hose (B) of Test Gauge Assembly
from male connector (2).
Page 4-52Printed in U.S.A.
Figure 4-55. Pressure Relief Valve Adjustment
12
11
10
TEE
1
2
3
4
A
B
PRESSURE GAUGE
0-13.8 BAR
0-200 PSI
SHUTOFF
VALVE
HANDLE
5
6
CA818500
© Schaerer Mayfield USA, Inc. 2004
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