Mercury MerCruiser D2.8L D-Tronic Service Manual page 142

TROUBLESHOOTING
ZF / Hurth Hydraulic Transmission (continued)
7. No shifting
Page 1C-36
Trouble
7. A. Direction of engine
pressure
Possible Cause
rotation does not agree
with arrow on transmission
B. No fluid in
transmission
C. Fluid filter is dirty
D. Fluid level in
transmission is too low
E. Fluid pump is worn out
F. Fitting key in input
shaft for fluid pump drive
is broken
G. Shifting pressure relief
valve spring is broken
SERVICE MANUAL NUMBER 22
Remedy
7. A. Replace with L.H.
rotation engine
B. Refill with fluid
C. Replace fluid filter
D. Fill with fluid; check for
fluid loss in
transmission,cooler and
pipelines lines for leaks
also refer to steps 10 to 13
E. Replace control block
together
with fluid pump
F. Remove control block.
Replace fitting key and
any other faulty parts
G. Replace control block
90-860074--1 FEBRUARY 2002