Section 8: TROUBLESHOOTING
Page 6
2
OM-ZR-May15
Vibrator Will Not Start (continued)
Point A
Pressure is zero
Check main relief valve (RV1) by
loosening jam nut and moving
adjusting screw in and out several
times
Reset relief valve (See Section 6:
MAINTENANCE)
Restart engine
Turn main switch to FOR
Check main pressure gauge reading
Point B
Vibrator does not start
Check main pressure gauge
Vibrator starts
Resume normal operation
Pressure is 5500 psi
Turn main switch to OFF
Shutdown engine
Reconnect main quick-
disconnect couplers
Resume normal operation
Pressure is less than 1500 psi
Call ICE to discuss checking
vibrator cavitation check valve
Pressure is above 1500 psi
start
Call ICE to discuss checking
vibrator motors or gear case
Pressure is zero
Turn main switch to OFF
Shutdown engine
Remove, clean & reinstall orifice
(OR1)
Restart engine
Turn main switch to FOR
Check main pressure gauge reading
Pressure is 5500 psi
Turn main switch to OFF
Shutdown engine
Reconnect main
quick-disconnect couplers
Restart engine
Turn main switch to FOR
Pressure is zero
Call ICE to discuss main pump
Pressure is 5500 psi
Turn main switch to OFF
Shutdown engine
Reconnect main quick-
disconnect couplers
Restart engine
Turn main switch to FOR
Pressure is zero
Turn main switch to OFF
Shutdown engine
Disconnect main quick-disconnect
couplers
Restart engine
Turn main switch to FOR
Check main pressure gauge reading
Control valve
Solenoid
Cartridge
Check valve
Cartridge
Cooler valve
Relief Valve
Cartridge Cover
Shuttle valve
Cartridge Cover
Control Manifold
(350GZ & 450GZ)
Main Relief Valve
Control Manifold (595GZ, 700GZ, 800GZ)
Solenoid