JLG 4017 Service Manual User Manual
Page 96

Engine: Perkins 1004-40T
7.10
4017
Note: The engine harness is routed and attached to the
engine using hold-down clamps and plastic wire ties at
various places on the engine. Before removing engine,
ensure that the harness has been completely separated
(disconnected) from the engine. Move the harness clear
of the engine, and with the help of an observer, ensure
that engine clears the harness during removal.
8. Label and disconnect all wire harness connections on
the engine.
9. Unbolt and remove the hood latch plate. Mark the
plate to help with hood adjustment when being
reinstalled.
10. Unbolt the return hydraulic oil filter plate and leave in
place.
11. Disconnect the fuel inlet line at the fuel filter head.
Install a plug in the end of fuel inlet line.
12. Disconnect the fuel return line from the fuel filter
head. Install a plug in the end of fuel return line.
13. Mark the location of the throttle cable (1) at the
throttle cable mount (2). Loosen jam nuts and remove.
14. Disconnect the throttle cable at the engine throttle
pedal.
15. Remove the three nuts holding the exhaust pipe to
the exhaust manifold. Remove the exhaust pipe from
the exhaust manifold.
16. Loosen the clamps on the sleeve reducer at the
engine and on the air suction pipe.
17. Disconnect the wire connection at the low air
pressure indicator.
18. Loosen and remove the three bolts on the air cleaner
mount plate, then remove the complete air cleaner
assembly.
19. Remove the access plug from side of the engine bell
housing. This will allow access to remove the eight
bolts holding the flex plate to the engine flywheel.
20. Turn the engine over slowly by hand and align each
of the eight flex plate bolts to be accessed. Remove
them one at a time.
21. At the front right engine mount (3) remove the bolt
and washer. Repeat for the front left engine mount.
MZ0940
2
1
MZ0950
3