ZF / HURTH TRANSMISSIONS
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 8A-21
Pressure And Temperature Tests
1. Remove pressure service port plug from Port A.
2. Connect a pressure gauge to Port A.
3. Remove temperature sender and install thermocouple at Port B.
50686
a
b
a-Port A
b-Port B
4. Ensure that fluid temperature and shifting pressure meet specification.
5. Check for leaks.
Transmission Repair
Mercury Marine stocks a limited number of replacement parts for these transmissions. ZF
Marine has a network of distributors throughout the world to service their product. These
distributors, in turn, have a dealer network to service the transmissions. Also, service
manuals for each transmission can be obtained from ZF Marine.
For the location of your closest distributor or service literature contact an Authorized
Mercury MerCruiser dealer or:
ZF Marine
3131 Southwest 42nd Street
Fort Lauderdale, FL 33312
(954) 581-4040