Carrier V2203-DI (26--00128) - Manual (Page 46)

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2.3.1 Cylinder Head And Valves (Continued)
(A) When Removing (B) When Installing
1. Correct
2. Incorrect
3. Incorrect
2.3.1.e Replacing Valve Guide
(A) (When removing)
1. Press out the used valve guide using a valve guide re-
placing tool.
(B) (When installing)
1. Clean a new valve guide and valve guide bore, then
apply oil to them.
2. Press in a new valve guide using a valve guide replac-
ing tool.
3. Ream the I.D. of the valve guide to the specified di-
mension (precisely).
Valve Guide I.D.
Intake & Exhaust
Factory
Specification
8.015 to 8.030 mm
0.3156 to 0.3161 in.
2.3.1.f Valve Seating
1. Coat the valve face lightly with prussian blue and put
the valve on its seat to check the contact pattern
2. If the valve does not seat all the way around the valve
seat, or the contact is less than 70%, correct the valve
seating as outlined in paragraph 2.3.1.g.
3. If the valve contact does not comply with the refer-
ence value, replace the valve or correct the contact of
valve seating.