Upright SB60 Service & Parts Manual page 26

Section
3.9
3.9 Drive Pump Settings
(Figure 3-13)
NOTE: Pump is properly adjusted at factory. Pump
settings should only be checked if pump failure is
suspected.
MAIN RELIEF VALVES
Main relief valves "A" and "B" should be bench tested off
the machine.
NOTE: Main relief valves should be adjusted to
5300 PSI.
PUMP REMOVAL
1. Mark, disconnect and plug the hose assemblies.
2. Mark and disconnect the electric cables.
3. Remove hardware which secures pump and remove
from machine.
PUMP INSTALLATION
1. Install pump using hardware previously removed.
2. Unplug and reconnect the hydraulic hoses.
3. Reconnect the electric cables.
4. Fill the tank with clean hydraulic fluid.
5. Check the oil level in the hydraulic tank before
operating the work platform.
6. Operate the pump and check for leaks and proper
operation.
7. Replenish hydraulic fluid if necessary.
IMPORTANT: If replacing the pump, be sure the
pump and hydraulic tank are filled with oil before
starting the engine. Damage to the pump may
occur if it is run without first being filled with oil.
3-12
Maintenance
"A" Pressure
Relief Valve
"B" Pressure
Relief Valve
Gauge Port "A"
Figure 3-13: Hydraulic Pump
SB60 Work Platform