Scag Power Equipment STT61V-31EFI-SS manual Cutter Deck Gearbox, Checking Lubricant Level

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Section 7

- NOTE - 7.10 Tires

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

SHAFTCUTTER DECK

HEX HEAD

BOLT / NUT

SPINDLE

ASSEMBLY

	CUTTER BLADE
	SPACER
	CUTTER
WASHER	BLADE
	HEX HEAD BOLT

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.

Check the tire pressures after every 8 hours of operation or daily.

Caster Wheels	Flat Free
Drive Wheels	12 PSI

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.

	CUTTER DECK
CHECK	GEARBOX
PLUG	390S0161

Figure 7-9. 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 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.

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