Rainger Linear 73
MAINTENANCE
Safety
!
DANGER
• THE CONTROL PANEL CONTAINS HIGH VOLTAGE! 480 VOLTS CAN KILL.
• ALWAYS DISCONNECT ELECTRICAL POWER BEFORE SERVICING OR PERFORMING MAINTE-
NANCE TO THE MACHINE.
• TESTING AND TROUBLESHOOTING SHOULD BE PERFORMED ONLY BY AN AUTHORIZED VALLEY
DEALER.
• ALWAYS REPLACE ANY GUARDS OR SHIELDS THAT ARE REMOVED FOR PERFORMING MAINTE-
NANCE.
Disconnect All Power
Before performing service or maintenance on any
part of the machine, follow the MINIMAL LOCKOUT/
TAGOUT PROCEDURE located in the SAFETY sec-
tion of this manual and do the following:
1. SHUT OFF and LOCK the public power service
disconnect to the irrigation machine. See Figure
73-1.
FILL OUT the blue (OSHA safety color code) tag
and attach to the disconnect after locking. See
Figure 73-1.
2. SHUT OFF and lock the control panel main
power disconnect. See Figure 73-2.
FILL OUT the blue (OSHA safety color code) tag
and attach to the disconnect after locking. See
Figure 73-2.
!
DANGER
• BE AWARE OF HIGH WATER PRESSURE.
TURN OFF THE PUMP AND ALLOW THE MA-
CHINE TO DRAIN COMPLETELY BEFORE RE-
PAIRING OR PERFORMING MAINTENANCE
TO THE MACHINE.
OFF
ON
DO NOT
OPERATE
Signed by
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Date
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_
DA NGER
1
Figure 73-1 1. Public Power Service Disconnect
3
1
2
Figure 73-2 1. Main Disconnect
2. Lock
3. Blue Tag
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