Maintenance
5562
−
2/A1
RT-flex58T-E
Winterthur Gas & Diesel Ltd.
Remark:
Pay attention to the manufacturer’s detailed instructions and working
specifications of the test bench.
⇒
Fit relief valve 11 into the valve holder and tighten it.
⇒
Connect valve holder 94272A to HP oil pump 94931 (or hydraulic unit 94942).
⇒
Close relief valve ’EV’.
2.2
Checking the sealing pressure
⇒
Increase the pressure by means of HP oil pump to
1150 bar
and keep pres-
sure constant during one minute.
D
No leakage is allowed!
2.3
Checking the opening pressure
⇒
Increase the pressure by means of HP oil pump and observe at what value the
relief valve opens.
Correct opening pressure =
D
Confirm the opening pressure two times again.
B
013.484/05
013.486/05
94935
94932
94272A
11
12
94272
94931
EV 94932
3.
Fitting the relief valve
⇒
Apply Never-Seez NSBT-8 to the thread of valve housing 1.
⇒
Screw the relief valve into the intermediate piece of fuel pressure control valve
3.06 and tighten it with a torque of
300 Nm
by means of a spanner with AF41.
2013
Fuel Overpressure Safety Valve: Checking and Setting
1250 bar
+ 100
−
50
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