Cutter Deck Gearbox; Cooling System - Scag Power Equipment TurfTiger II STTII-52V-25CH-LP-EFI Operator's Manual

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7.12 CUTTER DECK GEARBOX

A. CHECKING LUBRICANT LEVEL
CAUTION
The cutter deck gearbox can reach high operating
temperatures. Allow the cutter deck gearbox to
cool before servicing.
The fluid level in the cutter deck gearbox should be
checked after every 100 hours of operation or bi-weekly,
whichever occurs first.
1. Lower the cutter deck to to its lowest position to gain
access to the cutter deck gearbox.
2. Clean and remove the check plug from the side of
the gearbox. See Figure 7-10.
CHECK
PLUG
Figure 7-10. Cutter Deck Gearbox
3. Visually check that the lubricant level is up to the
bottom edge of the check plug hole. If lubricant
is low, add SAE 80W90 or if replaced with Scag
75W90 lubricant (p/n 486578) add 75W90 lubricant
(p/n 486578) 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 after every 500 hours of operation or yearly,
whichever occurs first.
1. Place a suitable container beneath the cutter deck
2. Remove the drain plug, drain the lubricant into the
3. Re-install the drain plug and add Scag 75W90

7.13 COOLING SYSTEM

(LIQUID-COOLED MACHINES ONLY)
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.
1. Remove the radiator cap by turning it slowly
2. Visually check the coolant level. The coolant level
CUTTER DECK
GEARBOX
390S0161
44
gearbox and locate the gearbox drain plug.
container and properly discard it.
lubricant (p/n 486578) 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.
WARNING
counterclockwise to the first stop and allow any
pressure to be released. Push down on the cap and
turn counterclockwise to remove.
should be up to the bottom of the filler neck as
shown in Figure 7-11. Add a mixture of coolant and
soft water as needed.
- NOTE -
Refer to the coolant manufacturer's instructions for
the proper coolant mixture ratio.
Section 7