-1500/-1700 IHT
11
FLUIDS
The
fl
uids used in Hydro-Gear
®
products have
been carefully selected, and only equivalent, or
better prod ucts should be sub sti tut ed.
Typically, an engine oil with a minimum rating of
9 cSt (55 SUS) at 230° F (110° C) and an API
clas si
fi
ca tion of SJ/CD is rec om mend ed. A
20W-50 engine oil has been se lect ed for use
by the factory and is rec om mend ed for normal
op er at ing tem per a tures.
FLUID VOLUME
Fluid volume information is provided in Table
3.
FLUID LEVEL
Certain situations may require additional
fl
uid to
be added or even replaced. Refer to Figure 3
for the prop er
fi
ll port and
fl
uid level port lo ca -
tions. Fill the unit until
fl
uid
fl
ows out of the
fl
uid
level port. Recheck the
fl
uid level once the unit
has been operated for approximately 1 minute.
Purging may be required. Refer to the purging
procedures, Page 14.
FLUID CHANGE
This transaxle is factory
fi
lled and does not
re quire a regular oil change. In the event of
oil con tam i na tion or degradation an oil change
may improve performance.
Using the transaxle removal procedure from
Sec tion 5, Page 15, remove the transaxle and
drain the oil from the top
fl
uid
fi
ll port. Fill unit
per Table 3, re in stall the transaxle and perform
the purging pro ce dures, Page 14.
In the event a
fl
uid change and
fi
lter inspection
is required, refer to Page 27, Disassembly/As-
sem bly instructions.
Caution
Do not over
fi
ll.
If you over
fi
ll the transaxle while the unit
is "cold", it may over
fl
ow as it reaches
normal op er at ing tem per a tures. The oil
level should not be above the man u -
fac tur er’s suggestions out lined in this
manual. This will al low the space need ed
for the oil to ex pand as it warms up.
Figure 7. -1500 and -1700 Fluid Fill and Level Ports
Fluid Description
20W-50 engine oil
Volume
124.4
fl
.oz. (3680 ml) to 129.5
fl
.oz. (3830 ml)
106.2
fl
.oz. (3140 ml) to 110.8
fl
.oz. (3280 ml)
Table 3. Fluid Volumes for the -1500 and -1700 IHT
Model
-1500
-1700
