7b.12.2 coupler and drive shaft installation, 7b.12.2, Coupler and drive shaft installation b.43 – SkyTrak 8042 Service Manual User Manual
Page 410

7B.43
Model 8042, 10042, 10054 Legacy
Rev. 10/03
Engine: Cummins QSB4.5T
4. Remove the capscrews (15) securing the small
access cover (16).
5. Remove the capscrews and locknuts (17) securing
the coupler (18) to the flywheel. Turn the engine by
hand, using the fan belt, until the capscrews line up
with the access hole (16).
6. At this time, use a suitable cleaner/solvent and
thoroughly clean the mounting lip of the flywheel.
Wipe any debris from the inside of the bell housing.
Use the cleaner to clean the threaded holes (19)
around the flange of the bell housing.
7B.12.2
Coupler and Drive Shaft Installation
1. Use cleaner to clean the backside of the coupler,
where it comes in contact with the flywheel.
Note: The new coupler weighs approximately
56 lbs (25,4 kg) and requires two people, one on each
side, to install.
Note: ALWAYS replace elastic locknuts with new elastic
locknuts to help ensure proper fastening.
2. Place the new coupler (21) into the indentation of the
flywheel and use new Grade 8 capscrews and
locknuts (22) to secure the coupler to the flywheel.
SH3060
15
16
SH1120
17
18
19
20
21
22
SH3070