Hydro-Gear Transmission Installation; Electric Clutch Adjustment - Ariens 915037 Service Manual

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1. Transaxle, Right Hand
2. Transaxle, Left Hand
7.5 HYDRO-GEAR TRANSMISSION
INSTALLATION
Install the transaxle assembly into the tractor frame
with the axle subassembly installed.
1. Make sure the brake rod has two flat washers and
a heavy coil spring installed on it before inserting
the transaxle into the tractor frame.
2. Lift transaxle assembly up into the frame.
Do not tighten any hardware until all the support
hardware is installed.
3. When all the hardware is in place, tighten.
4. With the two flat washers, compression spring and
hair pin on the rear of the brake rod, put rod
through transaxle linkage and tighten bottom nut
up the rod.
5. Install the transmission drive belt on the transaxle
input sheave and check the belt routing on the idler
arm and engine pulley and install idler arm tension
spring.
6. Install the dump valve rod and attach the ball knob.
7. Install the rear wheels with the lug nuts removed
earlier.
8. Check for neutral adjustment and parking brake
engagement.
4
3. Dump Rod
4. Axle Brace
Figure 17

7.6 ELECTRIC CLUTCH ADJUSTMENT

WARNING: The mower blades MUST STOP
in 5 seconds or less when the PTO is
disengaged. Adjust or replace electric clutch
as required.
Test Mower Blade Stopping Time (Figure 18)
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2
1. Electric Clutch
2. PTO Belt
To determine if the PTO stops the mower blades within
5 seconds or less, measure the amount of time from
when the PTO is shut off to when the PTO belt stops
rotating.
1. Lower mower deck to the lowest position.
2. Start engine and set throttle lever to FAST.
3. Engage PTO to start mower blades.
4. Shut off PTO and simultaneously start measuring
the amount of time it takes for the PTO belt to stop
rotating.
• If the PTO belt stops rotating in 5 seconds or less,
the electric clutch does not need to be adjusted.
• If the PTO belt does not stop in 5 seconds or less,
adjust the electric clutch.
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Figure 18
OE0080