Kohler Command Pro CV173 Service Manual page 44

Disassembly/Inspection and Service
Check Guide Plate and Push Rods
E
A
A Push Rod
C Rocker Arm Pivot
E Rocker Arm Stud
NOTE: Unless guide plate is damaged, disassembly
from cylinder head is unnecessary.
1. Use a socket and wrench to remove jam nuts and
rocker arm pivots from rocker studs.
2. Noting orientation, lift rocker arms off rocker studs.
3. Remove push rods and mark them for reinstallation.
4. Visually inspect guide plate and replace if worn or
damaged.
Remove Rocker Studs and Guide Plate
A
A CV173 Guide Plate
1. Note orientation of guide plate (tabs down) for use
during reassembly.
2. Unscrew and remove rocker studs and guide plate
from cylinder head.
44
A
B
C
D
B
C
D
B Rocker Arm
D Jam Nut
B
CV200, CV224
B
Guide Plate
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Remove Cylinder Head
B
A Screw
1. Remove screws securing cylinder head. Discard
screws once removed. Do not reuse.
2. Remove cylinder head, note positioning of dowels.
3. Remove head gasket and discard.
Remove Valve Assembly
D
A Intake Valve Seal
Valve Spring
C
Retainer
NOTE: Only intake valve has a seal. There is no valve
seal on exhaust side.
1. Push down on valve spring retainers to release valve
springs from valve stems.
2. Remove valve spring retainers and springs.
3. Push end of intake valve to release valve seal.
4. Remove both valves from opposite side of head.
A
B Cylinder Head
A
B
C
B
C
B Spring
D Valve
14 690 12 Rev. --