Piper PA-44-180 SEMINOLE Maintenance Manual page 477

13. Retract the flaps and leave the gear up for 5 minutes. The pump motor should not operate at any time.
If the pump should operate during the 5 minute period, search for a leak in the "UP" line or a
m a l f u n ctioning component in the system.
14. Position the BATT MASTR switch OFF.
15. Close both throttles
16. Pull gear free fall knob. All of the gear should return to their down and locked position, with the down
latches engaged.
17. Move the gear selector switch to the down position.
18. Push in the free fall knob.
19. Position the BATT MASTR switch O N. The three green safe lights should come on with the red
unsafe light and warning horn off.
20. Carefully insert a wedge under the leaf of the squat switch on the left main gear.
21. With the squat micro switch activated, move the gear selector switch to its UP position. The warning
horn and red unsafe light should come on with the three green safe lights remaining on. The pump
should not run.
22. On models with gear warning mute switch:
A. Depress gear mute switch.
B. The horn should continue to SOUND
23. Move the throttles to their mid travel position. The red unsafe light and warning horn should stay ON.
2 4 . Move the gear selector switch to its down position. Both the red warning light and horn should be O F F.
23. Remove the wedge from the squat switch.
24. Manually disengage (open) the left main gear downlock. The pump motor should operate with the
appropriate green safe light out, and the red unsafe light on without the gear horn.
25. Repeat Step 24 with the right gear downlock.
26. With the throttles still at mid travel, move the gear selector switch to the UP position, and position the
landing lights ON. The pump motor should operate and the gear should retract in less then 10 seconds.
The three green safe lights should go OUT. The red unsafe light should go ON till all gears are up, at
which time the pump should shut off. The warning horn should not sound. On models with gear
warning mute switch, the GEAR WARN MUTE annunciator light should not be LIT,
27. Move the gear selector switch down. The pump motor should operate till all gears are down and
locked. The three green safe lights should come on with the unsafe light and warning horn off.
If after the down locks are engaged a blinking of the red and/or
green lights occur, check for a maladjusted microswitch.
28. Position the navigation lights ON. Check that the three safe lights remain on, but dim.
29. Switch all switches off and remove aircraft from jacks.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
— NOTE —
2I4
32-62-05
Page 32-56
Revised: June 20, 1995