Scag Power Equipment STT-28CAT Lawn Mower User Manual


 
37
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Section 7
CUTTER DECK GEARBOX7.11
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 GearboxFigure 7-8.
The fluid level in the cutter deck gearbox (Figure 7-8) should
be checked after every 100 hours of operation or bi-weekly,
whichever occurs first.
Lower the cutter deck to 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 (See Figure 7-8). 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.
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 SYSTEM7.12
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 manuafacturer's instructions
for the proper coolant mixture ratio.