Priming The Hydraulic Pump - Toro Groundsmaster 3280-D Service Manual

Priming the Hydraulic Pump

Groundsmaster ® 3280-D/3320
05138SL Rev B
When the hydraulic system is flushed, the hydraulic system is charged, or the
hydraulic components are installed, it is important to properly prime the hydraulic
pumps. The hydraulic pump priming ensures that the hydraulic pump have
sufficient fluid during initial start-up and running. The pump can be primed by
using a remote starter switch (refer to
crank the engine which allows the pump to prime.
Use the following procedure to prime the hydraulic pump:
1. Ensure that the key switch is in the O
from the key switch.
2. Check the hydraulic-fluid level in the hydraulic reservoir (front axle) and add
correct quantity of fluid if necessary; refer to the Operator's Manual.
g225779
1. Starter solenoid
Note: A blue wire connects to the starter motor solenoid B+ terminal
77). It is not necessary to remove this blue wire from the solenoid terminal
for hydraulic pump priming.
3. Connect the remote starter switch electrical leads to the starter motor
solenoid B+ terminal and positive post of the battery.
4. Engage the remote starter switch and crank the starter for 30 seconds to
prime the hydraulic pump. Wait for 30 seconds to allow the starter motor and
starter solenoid to cool. Repeat the cranking procedure for the second time.
5. Disconnect the remote starter switch leads from the starter motor solenoid
terminal and positive post of the battery.
Remote Starter Switch (page
position and the key is removed
FF
Figure 77
2. Starter motor
Page 5–79
5–43)) to
3. B+ terminal
Hydraulic System: Service and Repairs
(Figure