Mercury MerCruiser D2.8L D-Tronic Service Manual page 144

TROUBLESHOOTING
ZF / Hurth Hydraulic Transmission (continued)
10. Fluid leakage at
11. Fluid leakage at
12. Fluid leakage at
13. Fluid leakage at
14. Fluid leakage at
Page 1C-38
Trouble
10. A. Breather clogged by
input shaft
11. A. Breather clogged by
output shaft
12. A. Excessive fluid in
venting filter
13. A. Bolts are not tight
joints or screw
connections
14. A. Filter cap not flush or
filter cap or
breather
Possible Cause
paint or dirt
B. Shaft seal faulty
paint or dirt
B. Shaft seal faulty
transmission
B. Seals on bolts have
been reused several times
tight
B. Filter cap O-ring
damaged
C. Fluid level too high
SERVICE MANUAL NUMBER 22
Remedy
10. A. Remove dirt or paint
from breather
B. Disassemble
transmission, replace seal.
If seal location on input
shaft is worn repair
surface
11. A. Remove dirt or paint
from breather
B. Disassemble
transmission, replace seal.
If seal location on input
shaft is worn repair
surface
12. A. Pump out excessive
fluid with commercial hand
pump
13. A. Tighten bolts to
specified torque
B. Replace seals, tighten
bolts to specified torque
14. A. Reinstall filter cap
flush with housing and
tighten
B. Replace O-ring
C. Correct fluid level
90-860074--1 FEBRUARY 2002