POWER TRAIN
RT765E-2 SERVICE MANUAL
7-2
Published 9-04-2014, Control # 422-08
energized again for a time period determined by intake air
temperature.
Maintenance
Engine Removal
1.
Set the outriggers and position the boom to over the
side.
2.
Open and remove the hood top door assembly.
3.
Disconnect the air filter tubing at the engine and air
cleaner. Remove and lay aside.
4.
Disconnect the exhaust tubing at the engine and muffler.
Lay to the side.
5.
Tag and disconnect the engine electrical harness con-
nector from the carrier harness connector and battery
cables.
6.
Unbolt the fuel filter and engine lubrication filter from the
frame and lay on the engine.
7.
Drain the engine coolant system.
8.
Drain the engine lubrication system.
9.
Drain the transmission/torque converter oil system.
10.
Remove the engine hood assembly and pump cover
from the machine.
11.
Disconnect and remove the drive shaft(s) between the
transmission/torque converter and the axle(s). Refer to
DRIVE LINES in this Section.
12.
Tag and disconnect all lines from the radiator. Discon-
nect the coolant level sensor harness from the engine
harness and tie up excess harness so it is out of the way.
Remove the radiator. Refer to RADIATOR - Removal in
this Section.
13.
Tag and disconnect all lines and tubing from the engine,
transmission/torque converter, and all other compo-
nents.
NOTE:
The engine and transmission/torque converter
assembly weighs approximately 2400 lb (1100 kg).
14.
Attach to the engine a lifting device capable of support-
ing the weight of the engine and transmission/torque
converter.
15.
With the lifting device supporting the weight of the
engine, remove the four sets of bolts, washers, and nuts
securing the front of the engine to the frame. Remove
the four sets of capscrews, locknuts, and washers (two
sets on each side) securing the transmission/torque
converter to the frame.
16.
Using the lifting device, lift the engine and transmission/
torque converter as an assembly from the crane.
17.
If a new engine is to be installed, remove all compo-
nents, fittings, etc., from the old engine and install them
on the new engine in the same locations.
Ensure that the same grade hardware, torque values, and
Loctite as were installed by the factory are used.
Engine Installation
NOTE:
Use the same grade Hardware, torque values, and
Loctite that were used by the factory.
1.
With all components and fittings installed on the new
engine, lift the engine into the crane.
2.
With the engine in position, secure each side of the
transmission/torque converter with four sets of cap-
screws, nuts and washers (two sets on each side). At the
front of the engine secure the engine mount to the frame
with the four sets of bolts, washers, and nuts.
3.
Remove the lifting device.
4.
Connect all lines and tubing to the engine, torque con-
verter, and all other components in accordance with the
identification marks made during removal.
5.
Apply a moderate coat of Permatex® Type No. 2 to the
male hose adapter and install the hydraulic hoses. Do
not apply sealant to the inside of the hydraulic hose, and
push it onto the male adapter. This can result in excess
sealant being pushed ahead of the male adapter and
being exposed to the hydraulic oil.
6.
Install the radiator. Connect all hoses and electrical har-
nesses to the radiator as tagged during removal.
7.
Connect the drive shafts between the transmission/
torque converter and the axles. Refer to
8.
Install the hood assembly. Install the pump cover.
DANGER
The lifting device must be able to support the combined
weight of the engine and transmission.
DANGER
The lifting device must be able to support the combined
weight of the engine and transmission.
CAUTION
Do not apply sealant to the inside of the hydraulic suction
hoses.
Reference Only
