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position of removal. Serviceable lifters shall be returned (as applicable) to the same
cylinder position and location from which they were removed.
14. If the lifter cannot be removed easily from the lifter bore, do not force removal;
contact TCM for further instructions.
Figure 7. Updraft Cylinder Assembly
1 Cylinder Assembly 15 Seal 29 Valve Rocker Cover 43 7th. Stud Bracket
2 Cylinder 16 Rotocoil 30 Washer 44 Flange Nut
3 Spark Plug Insert 17 Retainer Key 31 Lock Washer 45 Hydraulic Exhaust Lifter
4 Valve Exhaust Guide 18 Valve Rocker Shaft 32 Screw 46 Hydraulic Intake Lifter
5 Intake Guide 19 Plain Washer 33 Exhaust Flange Gasket 47 Helical Coil Insert
6 Stud 20 Screw 34 Nut 48 Piston
7 Intake Flange Insert 21 Rocker Arm, Intake 35 Push Rod Housing 49 Compression Ring
8 Intake Valve Seat 22 Valve Rocker Arm Bushing 36 Washer 50 Compression Ring
9 Exhaust Valve Seat 23 Drive Screw 37 Packing 51 Oil Control Ring
10 Intake Valve 24 Rocker Arm Exhaust 38 Spring 52 Scraper Ring
11 Exhaust Valve 25 Cylinder Base O-ring 39 Push Rod 53 Piston Pin
12 Inner Spring 26 Intake Valve Retainer 40 Flange Nut
13 Outer Spring 27 Thrust Washer 41 Flange Nut
14 Lower Retainer 28 Rocker Cover Gasket 42 7th. Stud Bracket
ISSUE DATE REVISION DATE PAGE NO REVISION
14 of 20
03 Nov 2009 TM
PO BOX 90, Mobile, AL 36601 251-438-3411 MSB09-8
©2009, TELEDYNE CONTINENTAL MOTORS, INC.
ISSUE DATE REVISION DATE PAGE NO REVISION
15 of 20
03 Nov 2009 TM
PO BOX 90, Mobile, AL 36601 251-438-3411 MSB09-8
©2009, TELEDYNE CONTINENTAL MOTORS, INC.
B.1.b. Crossflow Cylinder Lifter Removal
NOTE: Remove only those components related to the “Intake”
valve train unless exhaust lifter inspection is required as indicated
in Step 2, paragraph 1.
Procedure
1. Remove cowling and any airframe supplied accessories according to the airframe
manufacturer's instructions to gain access to the cylinder.
2. Disconnect the battery according to the airframe manufacturer's instructions.
3. Disconnect all spark plug leads and remove the upper spark plug from each cylinder.
4. Remove the rocker cover fasteners and rocker covers from the cylinder.
5. Remove and discard the rocker cover gaskets.
6. Position the crankshaft so the piston is at top dead center and both intake and exhaust
valves of the cylinder being disassembled are closed.
7. Remove the rocker shaft retention screw (nuts for 240/360), tab washer and retainer
from the rocker arm bosses; discard the tab washers.
8. Bleed the hydraulic lifters down by applying steady pressure to the pushrod end of the
rocker arm; lifter pressure relief should be obvious.
9. Remove the rocker shafts, rocker arms, and thrust washers from the cylinders.
10. Withdraw all of the push rods from their respective housings. Mark the location and
position of removal to ensure installation in the same position and location.
11. Compress each push rod housing spring with a Pushrod Spring Compressor Tool.
While the spring is compressed, push the outboard end of the pushrod housing away
from the cylinder head, lower the outboard end of the pushrod housing down and
away from the cylinder. Remove the push rod housing, springs, washers, O-ring, and
packing.
12. Discard the O-ring and packing.
13. Remove the hydraulic lifters from the crankcase lifter bores. Identify the location and
position from which the lifters are removed. Serviceable lifters shall be returned (as
applicable) to the same cylinder position and location from which they were
removed.
14. If the lifter cannot be removed easily from the lifter bore, do not force removal;
contact TCM for further instructions.
Figure 8. Crossflow Cylinder Assembly
1 Cylinder Assembly 15 Outer Spring 29 Valve Rocker Cover 43 Baffle
2 Cylinder 16 Drain Tube Fittings 30 Washer 44 Spring
3 Spark Plug Insert 17 Lower Retainer 31 Lock Washer 45 Drain Tube
4 Intake Guide 18 Retainer Key 32 Screw 46 Drain Tube Seals
5 Valve Exhaust Guide 19 Rotocoil 33 Exhaust Flange Gasket 47 7th. Stud Bracket
6 Stud 20 Rocker Arms 34 Nut 48 7th. Stud Bracket
7 Stud 21 Valve Rocker Bushing 35 Push Rod Housing 49 Flange Nut
8 Stud 22 Drive Screw 36 Washer 50 Seal
9 Helical Coil Insert 23 Thrust Washer 37 O-Ring Seal 51 Retainer
10 Intake Valve Insert 24 Valve Rocker Shaft 38 Packing 52 Cylinder Base O-Ring
11 Exhaust Valve Insert 25 Retainer 39 Spring 53 Hydraulic Exhaust Lifter
12 Intake Valve 26 Tab Washers 40 Push Rod 54 Hydraulic Intake Lifter
13 Exhaust Valve 27 Screw 41 Flange Nut
14 Inner Spring 28 Rocker Cover Gaskets 42 Flange Nut
ISSUE DATE REVISION DATE PAGE NO REVISION
16 of 20
　
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