
Bandit
Copyright 9/07
PAGE 9
MODEL 1850
PROCEDURE FOR MODEL 1850
HYDRAULIC SECTION
MAINTAIN FEEDWHEEL HYDRAULIC PRESSURE AT SPECIFIED PSI (bar).
WARNING
Before attempting any hydraulic pressure settings, make sure engine is shut off, engine key removed
and in your possession, hydraulic oil is clean, hydraulic tank is 7/8 full, and the machine has been
pre-run to warm the hydraulic oil. To correctly check relief valve pressure, gauge MUST
be installed
correctly.
. First put control handle in off position.
2. Install pressure gauge in the port on the end of the main relief block for the top feedwheel.
. Start engine and adjust engine to full throttle.
4. Close the ball valve on the top feedwheel main relief block that you are checking to activate a reading on
the pressure gauge.
5. Pressure gauge should read maximum of specified PSI (bar).
ONLY LEAVE BALL VALVE CLOSED FOR 4-5 SECONDS TO SET PRESSURE OR YOU MAY
DAMAGE HYDRAULICS.
6. Use an allen wrench to readjust relief pressure setting if needed, and then retighten jam nut.
7. Repeat steps 1 through 6 for the bottom feedwheel main relief block.
8. Check for hydraulic leaks.
9. Relief valve pressure should be checked and/or readjusted every month for best performance.
HYDRAULIC PRESSURE ADJUSTMENT PROCEDURE
T
P
B A
B A
T
B
P
A
T
P
B
A
T
P
Top Motor
Bottom Motor
Yoke Lift
Cylinder
Yoke Lift Control Valve
Top Feedwheel Control
Valve
Top Feedwheel
Main Relief Block
Main Relief
Pump
To Tank
Top Feedwheel
Autofeed Plus Block
GAUGE
PLUG
Main Relief Block
Allen
Wrench
Relief
To Tank
Main Relief
Bottom Feedwheel
Control Valve
Bottom Feedwheel Main
Relief Block
Bottom Feedwheel
Autofeed Plus Block