— Note —
Before positioning the complete hydraulic pump assembly on the mounting bracket, ensure that the cushion pad is secured in place on the reservoir base.
4.
Install the UP and DOWN pressure hydraulic lines to pump mount.
5.
Connect the three knife connectors that attach the black, blue, and green forward and reverse harness wires.
6.
Install ante-splash cover (Piper P/N 96374-0) by installing the four attaching screws,
7.
Install the ABS nose gear cover.
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AIRPLANE MAINTENANCE MANUAL
HYDRAULIC LINES.
REMOVAL AND INSTALLATION OF HYDRAULIC LINES.
Remove a damaged hydraulic line by disconnecting the fitting at each end and by disconnecting where secured by brackets. Refer to Figure 29-3 as an aid in the location of attaching brackets and bends in the lines. Provide a small container for draining the line. Install a new or repaired line. Operate the pump to purge the system of air and check fluid level in reservoir.
TESTING HYDRAULIC SYSTEM.
After performing any service or repairs on the hydraulic system, test the system to determine that it functions properly.
1. Place airplane on jacks. (Refer to Chapter 7.)
— CAUTION —
TURN MASTER SWITCH OFF BEFORE INSERTING OR REMOVING EXTERNAL POWER SUPPLY PLUG.
2.
Check master switch is OFF. Connect the airplane to an external power source.
3.
With gear down, master switch ON, and circuit breaker closed, place landing gear selector switch in the UP position. The pump should immediately start operating and the gear retract. The red gear unsafe light on the instrument panel should light up until the gear is fully retracted. The hydraulic pump should stop operating after full gear retraction.
4.
Place gear selector switch in DOWN position. The gear should extend and lock in position. Gear down lights on the instrument panel will light up when all three gears are locked in position. Inspect hydraulic system for leakage of hydraulic fluid.
5.
Recycle the landing gear to determine that it functions properly.
6.
Position master switch OFF
7.
Disconnect external power source.
— CAUTION —
PRIOR TO REMOVING THE AIRPLANE FROM JACKS, TURN MASTER SWITCH ON AND DETERMINE THAT ALL THREE GEAR DOWN AND LOCKED GREEN LIGHTS ARE ON. TURN MASTER SWITCH OFF.
7. Remove airplane from jacks.
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CHAPTER
30
ICE AND RAIN PROTECTION
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CHAPTER 30 - ICE AND RAIN PROTECTION
TABLE OF CONTENTS / EFFECTIVITY
CHAPTER/ SECTION SUBJECT GRID NO. EFFECTIVITY
30-00-00 GENERAL 2F19
Description and Operation 2F19
30-30-00 PITOT AND STATIC 2F21
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GENERAL.
The material contained herein provides information for general maintenance of the ice protection system.
DESCRIPTION AND OPERATION.
The installed ice protection consists of the heated pitot system. It comprises a switch in the switch cluster on the pilot's side of the instrument panel, a heated pitot head, and a circuit breaker.
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PITOT AND STATIC.
The heated pitot head is located on the undersurface of the left wing. It is controlled by an ON/OFF type switch labeled PITOT HEAT which is located on the switch panel to the left of the pilot. The heated pitot head has a circuit breaker located in the circuit breaker panel and labeled PITOT HEAT. (Refer to Figure 30-1.)
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