TIMER REPLACE- (H-9518-1, H-9518-2, AND H-9518-3).
This task consists of:
General Mechanics Tool Kit (Appendix B, Section III, Item 5)
Lo&washers (TM 10-4610-241-24P)
Power shut down (Power Source Manual)
To facilitate installation and prevent malfuction of equipment, be sure to tag and
identify each flexible tube (see tubing diagram) before disconnecting from stager. To
replace timer, disconnect tubes at timer only.
Tag control tubes (1) and remove them from connectors (2) by pushing on collars and gently pulling on the
tubes at the same time.
Disconnect electrical cable (3) from supply cable (4).
Loosen four screws (5) on the cover of the timer (6) and swing the door open.
Remove four screws (7), four flatwashers (8), four lo&washers (9) and four nuts (10) securing timer (6) to
Remove timer (6).
Before removing any wires, tag them to facilitate re-installation.
Tag and remove cable wires (3) from the terminal board (11) by loosening the terminal screws.
Remove lock nut (12) from adapter (13) and remove the adapter with the cable (3) from the timer (6).
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