Brush Bandit 1290XP, Operating & Parts Manual

Page: 81 / 140

Bandit
Copyright 12/07 PAGE 9
MODELS 1290XP/1590
PROCEDURE 1 FOR MODELS 1290XP/1590 WITH NO OPTIONS cont.
CHECKING AND ADJUSTING RELIEF VALVE PRESSURE
YOUR BANDIT CHIPPER IS EQUIPPED WITH ONE OF TWO
HYDRAULIC PRESSURE ADJUSTMENT PROCEDURE OPTIONS.
F e e d w h e e l
Control Valve
Flow Divider
Top Motor
Bottom Motor
To Tank
From Pump
GAUGE
PLUG
HOSE
HOSE
HOSE
HOSE
HOSE
HOSE
HOSE
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.
1. First put control handle in off position.
2. Disconnect flow divider from control valve, and plug port on flow divider.
. Leave all other hydraulic hoses connected.
4. Install pressure gauge in port on control valve from which flow divider was disconnected.
5. Start engine, and engage control handle to normal operating position.
6. Adjust engine to full throttle to activate reading on pressure gauge.
7. Pressure gauge should read maximum 2500 PSI (172 bar).
ONLY RUN ENGINE FOR 4-5 SECONDS TO SET PRESSURE OR YOU MAY DAMAGE HYDRAULICS.
8. Readjust relief pressure setting if needed, if not needed, shut off engine remove plug and gauge.
Reassemble flow divider to control valve.
9. Check for hydraulic leaks.
10. Relief valve pressure should be checked and/or readjusted every month for best performance.
HYDRAULIC SECTION
MAINTAIN FEEDWHEEL HYDRAULIC PRESSURE AT 2500 PSI (172 bar).
WARNING