JLG 4017 Service Manual - Manual (Page 97)

7.11 4017
Engine: Perkins 1004-40T
22. Place a support or jack under the transmission to
hold the transmission in place while engine is being
removed.
23. Attach a lifting chain to the front and rear engine lift
brackets (4).
24. Remove the ten bolts holding the transmission to the
engine. Slightly lift and pull the engine forward to clear
the transmission. Slowly lift and pull the engine out of
the machine. Have an assistant ensure that the
engine clears all frame components during removal.
25. Place engine on a flat, level surface.
7.9.2 Engine Disassembly, Inspection and
Service
Engine disassembly, internal inspection, service, repair
and assembly procedures are covered in the Perkins
1004-40T service manual. Contact the local Perkins parts
distributor for further information.
Note: If the engine is being replaced, there may be external
components that will be required to be transferred from the
original engine to the replacement engine depending upon
who you purchase the new engine from and the
configuration of your replacement engine. Refer to the
appropriate Perkins user manual for detailed procedures
that cover the transfer of original engine components to the
replacement engine.
7.9.3 Engine Installation
1. Attach a lifting chain to the front and rear engine lift
brackets (4), and lift engine clear of the ground.
Note: Apply Loctite ® 242 threadlock to the engine mount
bracket capscrew threads before installation.
Note: The engine harness is routed and attached at
various places on the engine using hold-down clamps
and plastic wire ties. Before installing engine and with
the help of an observer, ensure that engine clears the
harness during installation.
2. Inspect the front engine mounting bracket isolator.
Replace isolator if cracked or worn.
3. Install two guide studs in the bell housing holes.
4. Lift the engine and slowly push and lower into the
engine bay. Have an assistant ensure that the
engine clears all frame, hose and harness
components during engine installation. Position
engine brackets over the front frame mounts.
5. Push the engine back towards the transmission
aligning the guide studs and the torque converter
shaft with the corresponding holes.
6. Push the engine against the transmission and install
eight of the ten bolts and washers. Remove both
guide studs and replace with the remaining two bolts
and washers. Tighten bolts.
7. Torque the ten (10) transmission bolts to 63 Nm (46
lb-ft) AFTER engine is lowered and secured with the
front motor mount bolts installed and torque.
8. Remove the support from under the transmission
and lower the engine the remainder of the way onto
the frame. Align the motor mount holes and install
the bolts. Apply Loctite
® 242 threadlock to the motor
mount bolts and torque to 210 Nm (155 lb-ft).
9. Turn the engine over slowly by hand and align each
of the eight flex plate bolts through the access hole
in the bell housing. Install them one at a time. DO
NOT fully tighten until all of the capscrews and
locknuts are in place.
10. Torque to 35-39 Nm (26-29 lb-ft). Replace access
plug.
11. Install the exhaust pipe to the exhaust manifold.
Refer to Section 7.7.2, “Exhaust System
Installation.”
12. Install the complete air cleaner assembly. Refer to
Section 7.8.2, “Air Cleaner Assembly Installation.”
13. Install and tighten the jam nuts on the throttle cable
at the throttle cable mount.
14. Connect the throttle cable at the engine throttle lever.
MZ0960
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