Piper Arrow IV, Maintenance Manual

Page: 586 / 752

REMOVAL OF ENGINE.
1. Turn off all electrical switches in the cockpit and then disconnect the battery ground wire at the
battery.
2. Move the fuel selector lever in the cockpit to “OFF.”
3. Remove the engine cowling.
4. Remove the propeller. (Refer to Chapter 61.)
5. Disconnect the starter positive and ground leads at the starter, and their attachment clamps.
6. Disconnect the governor control cable at the governor and cable attachment clamps.
7. Disconnect the heater hose at the muffler.
8. Disconnect the throttle and mixture cables at the injector. (The injector may be removed if desired.)
9. Remove the air filter box by removing the bolts that secure the box to its attachment clamps. The
cover may remain attached to the alternate air door control cable.
10. Disconnect the fuel pump supply line at the left side of the pump. Disconnect the pump vent line.
—NOTE—
Where a question may arise as where to reconnect hose, line or
wire, the item at the separation should be identified (tagged) to
facilitate reinstallation. Open fuel, oil, vacuum lines and fittings
should be covered to prevent contamination.
11. Disconnect both lines from the oil cooler.
12. Disconnect the magneto “P” leads at the magnetos.
13. Disconnect the engine vent tube at the engine.
14. Disconnect the engine oil temperature lead at the aft end of the engine.
15. Disconnect the tachometer drive cable at the engine.
16. Untie the ignition harness, hoses and lines at the aft end of the engine.
17. Disconnect the vacuum pump lines at pump and remove fittings from pump.
18. Disconnect the oil pressure line at the engine.
19. Disconnect the static and fuel flow line at the right rear engine baffle.
20. Disconnect the manifold pressure line at the right rear side of the engine.
21. Disconnect the injector line at the flow divider.
22. Disconnect the alternator leads and the cable attachment clamps.
23. Attach a one-half ton (minimum) hoist to the hoisting straps and relieve the tension from the engine
mounts.
—NOTE—
Place a tail stand under the tail of the airplane before removing
the engine.
24. Check the engine for any attachments remaining to obstruct its removal.
25. Drain the engine oil, if desired, and then close drain.
26. Remove the four engine mount assemblies and swing the engine free, being careful not to damage any
attaching parts.
Effectivity 71-00-03
PA-28RT-201 Page 71-17
December 1, 1978
3C6
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL