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6.1 REPLACING PTO BELT
Remove (Figure 17)
1. Lower mower deck to the ground.
2. Remove belt covers from mower deck.
3. Hook a puller into idler hole and pull idler arm
towards outside of unit until tension is removed
from PTO belt.
Figure 17
4. Remove PTO belt from left mower deck pulley.
5. Slowly release idler arm until tension is removed
from idler spring.
6. Remove PTO belt from mower deck and electric
clutch.
Install (Figure 17)
NOTE: Do not install PTO belt on left mower deck pul-
ley in step 1.
1. Install PTO belt on electric clutch and mower deck.
2. Hook a puller into idler hole and pull idler arm
towards outside of unit until PTO belt can be routed
around left mower deck pulley.
3. Slowly release idler arm until idler pulley rests
firmly against PTO belt.
4. Install belt covers on mower deck.
6.2 REPLACING MOWER BLADE
Remove (Figure 18)
1. Block mower blades to prevent rotation.
2. Remove mounting hardware and mower blades
from mower deck.
Install (Figure 18)
1. Install mower blades on mower deck with mounting
hardware.
2. Torque 5/8-inch hex bolt to 80 to 120 lbf-ft (108 to
163 Nm).
Figure 18
6.3 SHARPENING MOWER BLADE
1. Remove mower blade from unit (see Replacing
Mower Blade).
Ariens recommends having mower blades sharpened
by a professional.
Discard mower blade if (Figure 19):
• More than 1/2 in. (1.27 cm) of metal is removed.
• The air lift erosion area is eroded.
• The mower blade is bent or broken.
SECTION 6 - MOWER DECK
CAUTION: Use care when releasing idler
spring tension. Keep body parts well away
from idler when performing this operation.
1
2
3
4
5
6
7
1. Idler Spring
2. Electronic Clutch
3. PTO Belt
4. Idler Hole
5. Idler Pulley
6. Idler Arm
7. Belt Cover
OE0080
CAUTION: Mower blades are sharp and can
cut you. Wrap the blades or wear gloves, and
use extra caution when servicing them
CAUTION: DO NOT sharpen mower blade
while on unit. An unbalanced mower blade will
cause excessive vibration and eventual
damage to unit. Check mower blade balance
prior to reinstalling mower blades. NEVER
weld or straighten mower blades.
1
1
2
3
4
1. Flat Washer
2. Bevel Washer
3. 5/8-inch Hex Bolt
4. Mower Blade
OE0039