Assembly Instructions

9.For stability of the tractor when transporting with the debris blower in raised position, approxi- mately 80 lb (36 kg) of counterweight should be installed on the tail of the tractor. Optional tail weights for the various tractor models are avail- able from your Walker dealer or a sandbag or similar weight may be used.

PREOPERATING CHECKLIST

Before operating any of the implements for the first time, and as a routine before daily operations, it is important to make sure the machine is properly pre- pared and ready for operation. The following is a list of items to be checked. (For machines with fre- quent operation, some of these items will not need to be checked every day, but the operator should be aware of the condition of each.)

CHECK TRACTOR PREOPERATING

CHECKLIST

Refer to the appropriate Tractor Owner’s Manual.

CHECK GAUGE WHEEL OR SKID SHOE ADJUSTMENT

Refer to ADJUSTMENTS of Dozer Blade Skid Shoes in Maintenance Instructions.

Refer to ADJUSTMENTS of Rotary Broom Gauge Wheels in Maintenance Instructions.

Refer to ADJUSTMENTS of Two-Stage Snow- blower Skid Shoes in Maintenance Instructions.

Refer to ADJUSTMENTS of Debris Blower Front Gauge Wheel in Maintenance Instructions.

CHECK OPTIONAL TIRE CHAINS

Tire chains should always be used when operating the machine in icy conditions. If the tractor is equipped with the optional tire chains, make sure the chains are in good condition and are installed properly.

CHECK TRACTOR TAILWEIGHT

Make sure 80 lb (36 kg) weight has been installed on rear of tractor.

Implement Hitch

CHECK LIFT SWITCH OPERATION

Raise and lower the implement hitch to make sure the lift switch and linear actuator operate properly.

CHECK HITCH LOCKING LEVER

Lock and unlock the male hitch to make sure the locking mechanism functions properly.

Refer to Hitch Locking Lever in Operating Instruc-

tions.

Dozer Blade

CHECK CUTTING EDGE

Make sure the cutting edge is not nicked, bent or worn.

Refer to REPLACING/REPAIRING of Dozer Blade Cutting Edge in Maintenance Instructions.

CHECK TRIP SPRING

Check trip spring tension.

Refer to Trip Spring in Operating Instructions.

Check trip spring lockout bracket.

Refer to Normal Operation or Rigid Blade Opera- tion in Operating Instructions.

CHECK SWIVEL ADJUSTMENT

Refer to Angle Adjustment Pin in Operating In-

structions.

Rotary Broom

CHECK BRUSH

Make sure the brush is clear of snow and/or ice.

Make sure the brush is free to rotate.

Check that the bristles are in good condition and are not worn or bent.

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Walker DB6680, SB6670, DB6660 Refer to Hitch Locking Lever in Operating Instruc, Refer to Angle Adjustment Pin in Operating