TCH.1C-27J-2-29JG
FOLLOW ON MAINTENANCE:
1.Perform nitrogen pre-charge:
A.CHARGING THE PRESSURE ACCUMULATORS
B.after the nitrogen charging check unions for
leakage by means of soap and water solution;
C.select the ACMP 1 (ACMP 2) switch (22 and 23) to
ON position (refer to figure
) and
keep it in ON position for five minutes;
WARNING
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ENSURE THAT THE ELEVATOR IS FREE
IN MOVEMENT AND DO NOT CAUSE
INJURY TO PERSONNEL.
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2.Operate twenty times the elevator.
3.Check for absence of leakage.
4.Perform the BLEENDING NO. 1 (NO. 2) System (refer
to para
) .
5.Select the ACMP 1 (ACMP 2) (22 and 23) switch to
OFF position.
6.Wait for five minutes and check the pre-charge
pressure on the manometer and, eventually, restore
the correct value 1450 psi (100 Kg/cm
²
).
7.Close the access panels 912E, 922Q and 922J.
8.Connect external electrical power (refer to manual
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