Mercury MerCruiser MCM 454 Mag MPI Service Manual page 976

HURTH V-DRIVE TRANSMSSION
Checking Transmission Fluid Level
IMPORTANT: Use only specified transmission fluid (see "Lubricants/Sealants").
IMPORTANT: The dipstick to check fluid level is located on the port side of transmis-
sion. DO NOT remove T-handle on starboard side of transmission.
Check transmission fluid before starting engine each day, as follows:
1. Remove dipstick. Check fluid level as indicated on dipstick. Fluid level may be some-
what over full mark, as some of the fluid from transmission fluid cooler and hoses may
have drained back into transmission. If low, add transmission fluid to bring level up to
full mark on dipstick.
Typical Hurth Transmission Shown
IMPORTANT: To accurately check fluid level, engine must be run at 1500 RPM for two
minutes immediately prior to checking level.
2. Start engine and run at 1500 RPM for two minutes to fill all hydraulic circuits.
IMPORTANT: Be sure to push dipstick all the way down into dipstick tube when
checking fluid level.
3. Stop engine and quickly check fluid level. Add automatic transmission fluid, if necessary,
to bring level up to full mark on dipstick. (Refer to "Filling Transmission," following.)
4. Reinstall dipstick.
5. If transmission fluid level was extremely low, carefully check transmission, fluid cooler
and hoses for leaks.
Index
Page 8D-10
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SERVICE MANUAL NUMBER 23
27661
90-861326--1 MARCH 1999