Camshaft Assembly And Installation - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
D. Idler Gear Shaft Plug Installation
(1) Examine the idler gear shaft plug (Figure 80)
to make sure it is not damaged or cracked.
Replace a damaged or cracked idler gear shaft
plug.
(2) Lubricate the threads of the idler gear shaft
plug with Anti-Seize.
(3) Install the idler gear shaft plug into the
crankcase with a new gasket.
(4) Torque the idler gear shaft plug between 150
to 180 in.-lb. (17 to 20 Nm).
(5) Safety wire/cable the idler gear shaft plug.
E. Apply heavy lubricant such as Modoc or equivalent to the teeth on the idler gear and the
propeller governor drive gear.
NOTICE: The governor drive cover or mask is to prevent FOD during engine assembly and
will be removed when the propeller governor is installed.
F. Install a governor drive cover or mask on the propeller governor mounting pad.
G. Install four nuts on the studs in the crankcase to attach the governor drive cover or mask.

22. Camshaft Assembly and Installation

A. Camshaft Assembly
(1) Install a new spacer and retaining ring (Figure 81) on the camshaft assembly.
B. Camshaft Installation
NOTICE: Complete a camshaft end play clearance check in each crankcase half, remove the
camshaft and install it in the other crankcase half to complete an end play clearance
check. Refer to the "Camshaft Replacement Guidelines" section in the latest
revision of Service Instruction No. SI-1011 for guidelines on replacing the camshaft
when new tappets are installed in the engine.
© 2018 Avco Corporation. All Rights Reserved
November 2018
Figure 81
Camshaft Assembly
Figure 80
Idler Gear Shaft Plug
72-20
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