Allis-Chalmers WD Operating Instructions And Repair Parts Illustrations page 38

ROCKER ARM COVER
R O C K E R A R M S H A F T
ARM SPACING
INTAKE
ADJUSTING
Order Repair Parts By Description. Always Give the Tractor and Engine Serial Numbers.
SPRING
ROCKER ARM
SCREW
SHAFT SUPPORT
S U P P O R T S T U D
INTAKE VALVE GUIDE
S N A P R I N G
INTAKE VALVE
V A L V E S & ROCKER ARMS
BREATHER CAP
COPPER WASHER
COVER GASKET
E X H A U S T R O C K E R A R M
S P R I N G R E T A I N E R
EXHAUST
E X H A U S T V A L V E S E A T
E X H A U S T V A L V E
VALVE GUIDE