Engine; Belts - Gravely Promaster PM 250Z Operator's Manual

Add fuel to Fuel Tank as needed. See your Engine
Manual for correct type and grade of fuel.
To add fuel to the fuel tank:
1. Refuel the unit only in a well ventilated open area.
2. Stop the engine.
3. Clean the fuel cap and the area around the fuel cap
to prevent dirt from entering the fuel tank. Remove
the cap from the fuel tank.
4. Fill the fuel tank. Be careful not to spill the fuel. Do
not overfill, allow for fuel expansion. Stop filling when
fuel is about 1" below the bottom of the neck.
5. Install the cap on the fuel tanks and tighten.
6. Clean up any spilled fuel before starting the engine.

ENGINE

Correct maintenance can increase the life of the engine.
See your engine manual for information on the operation
and maintenance of your engine.
1. Each day before operating, check the level of the oil
in the engine. Never operate the engine when the oil
level is below the add mark.
2. Each day before operating, check the air cleaner
element. Dirt can decrease the flow of air to the
engine.
3. Each day before operating, check the air cooling
system on the engine. Debris can decrease the flow
of air cooling the engine.
4. Follow the maintenance instructions in your engine
manual concerning oil changes and engine coolant
changes.

BELTS

WARNING
MOVING PARTS can cut or amputate body parts.
ALWAYS wait for moving parts to stop before
performing maintenance or service.
CAUTION
DAMAGED OR WORN BELTS may result in injury
and/or damage to unit. Check belts for excessive wear
or cracks often.
Belt Access
1. Properly stop and park unit (refer to Operation
Section).
2. Lower the mower.
3. Place seat in most reward position.
4. Remove belt covers.
5. Place foot board in open position (Figure 8).
6. Secure raised footboard with latch.
1/00
1
5
4
1. Footboard in open
position
2. Footboard in closed
position
Figure 8
Replacing Mower Belts
NOTE: Long belt must be removed to remove short belt.
1. Roll long belt off left blade spindle and remove from
deck.
2. Roll short belt off right blade spindle and remove
from deck. Idler pivot bolt must be loosened slightly
to gain clearance to remove belt from under idler
pulley (Figure 10).
CAUTION
Use care when releasing idler spring tension. Keep
body parts well away from idlers when performing this
operation.
3. Arrange new mower belt(s) on deck (short belt first).
Retighten short belt idler pivot bolt. Install belts on
sheaves. Roll belts onto blade sheave last.
4. Replace belt covers and return foot board to closed
position.
Replacing the Hydro Pump Belt
1. Properly stop and park unit (refer to Operation
Section).
2. Remove the mower belt from the mower clutch
sheave. See "Replacing Mower Belts".
3. Remove old hydro pump belt by rolling belt off right
hand hydrostat sheave first (Figure 9).
4. Install new pump belt by positioning belt on sheaves.
Roll belt onto right hand hydrostat sheave last.
5. Put the mower belt back on mower clutch sheave.
See "Replacing Mower Belts".
2
3
3. Support Frame
4. Pivot
5. Latch
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