Tires; Cutter Deck Gearbox - Scag Power Equipment Turf Tiger STT61V-31EFI-SS Operator's Manual

Section 7
- NOTe -
The front of the machine will have to be raised
slightly to remove the blade bolt from the cutter
spindle.
4. To install the new cutter blade, put the flat washer
onto the blade bolt and slide the bolt into the hole in
the cutter blade.
HEX NUT-TORQUE
TO 75 LB-FT
SPINDLE
SHAFT
SPINDLE
ASSEMBLY
WASHER
Figure 7-8. Blade Replacement
- NOTe -
Be sure that the blade is installed with the lift wing
toward the top.
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 7-8.
CUTTER
DECK
HEX HEAD
BOLT / NUT
CUTTER BLADE
SPACER
CUTTER
BLADE
HEX HEAD BOLT
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 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 7-9.
CHECK
PLUG
Figure 7-9.
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.
39
Flat Free
12 PSI
CUTTER DECK
GEARBOX
390S0161
Cutter Deck Gearbox
R