Tires; Cutter Deck Gearbox; Cooling System - Scag Power Equipment Turf Tiger STT52V-26CH-EFI Operator's Manual

R
5. Install the spacer onto the blade bolt and insert the
bolt into the cutter spindle shaft.
6. Install the hex nut to the blade bolt at the top of the
cutter spindle. Secure the blades from rotating and
torque to 75 lb-ft. See Figure 7-9.
7.10

TIRES

Check the tire pressures after every 8 hours of operation
or daily.
Caster Wheels
Drive Wheels
7.11

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
Flat Free
12 PSI
CUTTER DECK
GEARBOX
390S0161
40
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 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 after every 500 hours of operation or yearly,
whichever occurs first.
1. Place a suitable container beneath the cutter deck
gearbox and locate the gearbox drain plug.
2. Remove the drain plug, drain the lubricant into the
container and properly discard it.
3. Re-install the drain plug and add SAE 80W90
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.
7.12

COOLING SYSTEM

(LIqUID-COOLED MACHINES ONLY)
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.
1. Remove the radiator cap by turning it slowly
counterclockwise to the first stop and allow any
pressure to be released. Push down on the cap and
turn counterclockwise to remove.
2. Visually check the coolant level. The coolant level
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