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EN - 25
8. Repeat steps 1 – 7 for the other
transaxle. See Add Hydraulic Fluid on
page 24.
Purging the Hydraulic System
1. With the unit up to and facing a wall, jack
up the unit so that both drive wheels are
off the ground.
2. Disengage the parking brake and put the
transaxle bypass levers in the neutral
position. See To Push The Unit on
page 19.
3. Start the engine and slowly move the
steering levers forward and reverse five
or six times.
4. Stop the engine and put the transaxle
bypass levers in the drive position. See
To Push The Unit on page 19.
5. Start the engine and slowly move the
steering levers in forward and reverse five
or six times.
6. Stop the engine, check the oil level and
add oil as needed.
7. Repeat steps 2 – 6 until the transaxles
operate smoothly in forward and reverse
at normal speeds without excessive
noise.
CARBON CANISTER FILTER
Models 994125, 127, 129
See Figure 13.
1. Check the carbon canister filter for debris
accumulation every time the unit is filled
with fuel. Remove any buildup.
2. Clean or replace the carbon canister filter
whenever the engine air filter is cleaned
or replaced.
MOWER BLADES
See Figure 14.
Remove
1. Turn the engine off. Remove the ignition
key. Disconnect spark plug wires.
2. Remove the bolts, bevel washers, blades
and spindle hubs from the spindle
assemblies.
Replace
1. Install the blades, bevel washers and
bolts on the spindle assemblies.
2. Torque bolts to 115 – 160 lbf-ft
(156 – 217 N•m).
3. Reconnect spark plug wires.
WARNING: This adjustment
requires operating the engine. Use
extreme care to avoid contact with
moving parts and hot surfaces. Be
sure rear of unit is well supported
and secure before starting engine.
Figure 12
1. Drain Plug
2. Oil Filter
3. Filter Guard
4. Mounting Hardware
3
2
1
4
CAUTION: Use sturdy gloves or
padding to protect hands when
working with mower blades.
Rotation of one blade will rotate
the other blades.
Figure 13
1. Carbon Canister
2. Carbon Canister Filter
1
2