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SECTION 3 - OPERATING INSTRUCTIONS
3.8 CUTTING HEIGHT ADJUSTMENT
(Fixed Decks)
The Mower has three methods of adjusting cutting height listed as follows:
1.Moving position of BLADE on cutter spindle shaft.
2.Moving position of CASTER WHEEL on support.
3.Moving position of MOWER DECK on power unit.
WARNING
DO NOT attempt any maintenance, adjustments or service with the engine running. Stop engine. Stop blades. Latch Traction Controls in neutral. Move Speed Control lever to SLOW. Remove key. Disconnect spark plug wires from spark plugs and secure wires away from spark plugs. Engine and components are HOT. Avoid serious burns by allowing all parts sufficient time to cool before working on machine.
3.9 ADJUSTING CASTER WHEELS
The Caster Wheel Assemblies have four (4) 1/2” and one (1) 1/4” thick Spacer. When placed above or below Caster Support Tube, the Operator can raise or lower the cutting height in 1/2” increments, thus providing a
1.Remove the Retainer Pin from Caster Shaft. See Figure 3.12.
| CASTER | |
CASTER SHAFT | SUPPORT | |
TUBE | ||
|
SLOT
| SPACERS |
| NOTE! THOSE SPACERS |
| REMOVED FROM BOTTOM |
| OF CASTER SHOULD BE |
| REINSTALLED AT TOP |
FLAT | BEFORE INSERTING |
AREA | RETAINER PIN. |
| FIGURE 3.13 |
3.10 ADJUSTING BLADE ON CUTTER SPINDLE
To change cutting height of Blades, move the Spacers from under the Cutter Housing to above the Cutter Housing Pulley. Each Spacer moved above the Cutter Housing Pulley will provide an additional 1/4” of cutting height. DO NOT PUT ANY SPACERS BELOW BLADE! See Figure 3.14.
CUTTER | SPACERS ON | |
TOP | ||
HOUSING | ||
| ||
PULLEY | CUTTER | |
| HOUSING | |
SPACERS ON | BLADE | |
BOTTOM | ||
|
FIGURE 3.14
NOTE: Changing the cutting height of Blades DOES NOT change the Deck ground clearance. If an undesirable cutting pattern results, then cutting height adjustment MUST be made by adjusting Mower Deck height and Caster Wheels.
Install Blades
RETAINER
PIN
CASTER WHEEL ASSEMBLY
See Figure 3.15.
HEIGHT
ADJUSTING
SPACERS
AIR LIFT
BLADE
FIGURE 3.12
2.Lift Caster Support Tube while adding or removing the bottom Spacer. See Figure 3.13.
NOTE: Remove (or add) Spacers by rotating slots so they align with the flat area on Caster Shaft.
BEVELED
WASHER
MOUNTING
BOLTTIGHTEN TO
FOOT POUNDS
FIGURE 3.15
12