Toro Groundmaster Series Service Manual page 326

Replacing the Compressor Drive Belt (continued)
Removing and Installing the Compressor
Operator Cab: Service and Repairs
6. Guide the hydraulic pump drive belt over the PTO clutch and out of the
machine.
7. Guide the compressor drive belt over the PTO clutch and out of the machine.
8. To install the new drive belt, follow this procedure in reverse order.
9. Adjust the compressor belt tension; refer to
Tension (page 9–7).
Refer to Figure 146 for this procedure.
1. Park the machine on a level surface, lower the cutting unit (or attachment),
engage the parking brake, set the key switch to the O
the key from the key switch.
2. Disconnect the compressor electrical connector from machine wire harness.
The air conditioning system is under high pressure. Do not loosen
any system fitting or component until after the system has been
completely discharged by a certified air conditioning service
technician.
3. Have refrigerant evacuated from air conditioning system by a certified air
conditioning service technician. Disconnect the hoses at the compressor,
then cap the fittings and plug the hoses to prevent contamination from
entering the air conditioning system.
4. Remove the fuel tank; refer to
4–18).
5. Loosen the turnbuckle jam nuts and rotate the turnbuckle to relieve the belt
tension. Remove the V-belt from the compressor pulley and inspect for wear
or damage.
To prevent compressor oil from filling the compressor cylinders,
keep compressor in the same orientation as the installed position.
6. Remove the compressor from the bracket. Locate and retrieve any shims
(item 2).
Note: Use shims as needed to minimize the gap between the compressor
and the bracket before tightening fasteners.
7. To install the compressor, follow this procedure in reverse order.
8. Adjust the compressor belt tension; refer to
Tension (page 9–7).
9. Have a certified air conditioning service technician evacuate the air
conditioning system completely, properly recharge the system with R134a
refrigerant and then leak test the system. Air conditioning system capacity
is 0.9 kg (30 oz or 1.88 lbs) of R134a refrigerant.
WARNING
Removing and Installing the Fuel Tank (page
IMPORTANT
Page 9–12
Adjusting the Compressor Belt
position and remove
FF
Adjusting the Compressor Belt
Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A