Teledyne Continental Motors, Inc.
TM
Non-Overhaul Removal and Replacement
IOF-550 Permold Series Engine Maintenance Manual
10-101
1 April 2007
10-9.3. Camshaft Plug Replacement
IOF-550 camshafts have the same rear plugs but two possible variations on front plugs.
One front plug type has threads and the other front plug type does not.
WARNING
Failure to install the camshaft plugs before the camshaft is
assembled in the engine will result in loss of internal oil
pressure with little or no lubrication of internal moving engine
parts and engine failure.
Procedure
1.
Apply Loctite Pipe Sealant 592 and install the new ¼-18 brass rear plugs in the rear
of the camshaft. Torque per Appendix B.
2.
To install the
threaded
front camshaft plug, apply Loctite Pipe Sealant 592 and install
the new plug in the front of the camshaft. Torque per Appendix B.
3.
To install the
non-threaded
front plug, refer to Figure 10-77 and use the proper size
tool to insert the new front straight plug as illustrated.
4.
Perform a Magnetic Particle Inspection on the camshaft IAW instructions in Chapter
9, Inspection and Repair of the TCM Overhaul Manual (OH-24).
Figure 10-77.
Installing Non-Threaded Front Plug on Camshaft
10-9.4. Crankshaft Nose Oil Seal Replacement
Replace the crankshaft nose oil seal if it is damaged or if any of the following conditions
exist:
•
Ram air is entering the engine interior
•
Oil leaks from the nose seal or nose seal retainers