Scag Power Equipment STT61V-25KBD-SS - Manual (Page 42)

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Section 7
CUTTER DECK GEARBOx 7.11
A. CHECKING LUBRICANT LEvEL
CAUTION
The cutter deck gearbox can reach high operating
temperatures. Allow the cutter deck gearbox to
cool before servicing.
390S0161
CUTTER DECK
GEARBOX CHECK
PLUG
Cutter Deck Gearbox Figure 7-8.
The fluid level in the cutter deck gearbox should be
checked after every 100 hours of operation or bi-weekly,
whichever occurs first. See Figure 7-8.
Lower the cutter deck to its lowest position to gain 1.
access to the cutter deck gearbox.
Clean and remove the check plug from the side of 2.
the gearbox. Visually check that the lubricant level
is up to the bottom edge of the check plug hole. If
lubricant is low, add SAE 80/90 lubricant through the
check plug hole in the gearbox until it is level with the
bottom of the check plug hole. Install the check plug
and tighten securely. See Figure 7-8.
B. CHANGING LUBRICANT
The lubricant in the cutter deck gearbox should be
changed every 500 hours of operation or yearly, whichever
occurs first.
Place a suitable container beneath the cutter deck 1.
gearbox and locate the gearbox drain plug.
Remove the drain plug and drain the lubricant into 2.
the container and properly discard it.
Re-install the drain plug and add EP-80/90 lubricant 3.
through the check plug hole in the gearbox until it is
level with the bottom of the check plug hole. Install
the check plug and tighten securely.
COOLING SYSTEM 7.12
WARNING
To avoid burns, always allow the engine to cool
before removing the radiator cap.
A. CHECKING COOLANT LEvEL
The coolant level should be checked before each day of
operation.
Remove the radiator cap by turning it slowly 1.
counterclockwise to the first stop and allow any
pressure to be released. Push down on the cap and
turn counterclockwise to remove.
Visually check the coolant level. The coolant level 2.
should be up to the bottom of the filler neck as
shown in Figure 7-9. Add a mixture of coolant and
soft water as needed.
- NOTe -
Refer to the coolant manufacturers's instructions
for the proper coolant mixture ratio.