Gravely 424 - Page 37

A B
c
Figure
34
-
Operoting
Principle
-
Dynomic
Bolonce
System
STAXDARD
TII"IING
MARX
(CRANKSHAFT)
PRIMARY
TIMING
I'IARK
(BALANCE
GEAR)
SECOI,IDARY t4AR(
(BALANCE
GEAR)
SECONDARY TIMING
r,lARK
(CRANKSHAFT)
Figure
35
-
Timing Morks
-
Bolonce
Geors
ond
Crqnkshoft
36