107
Section 3 - operation
3.22 operating in Freezing conditions
Shutting down the system in freezing condi
-
tions:
1. Follow all instructions in the normal Shutdown
Procedure.
2. If your truck is equipped with a debris recovery
system, allow the vacuum blower to operate
for a couple of minutes after shutting down the
water pump to clear waste water from hoses
and dry out blower system.
3. Make sure the clean water tank is drained and
the debris tank emptied immediately at the
end of each shift.
4. Open the drain valve at the water pump and
allow the hoses and pump to completely drain.
With the valve still open, activate the pump
briefly to pump out any remaining water, about
a cupful. Then close the valve.
5. Pour 15 gallons of 50/50 antifreeze mixture
into the clean water tank. (Non alcohol)
6. Make sure the park brake is set and start the
engine.
7. With the engine running at idle speed, turn the
POWER switch on. Then activate the TRUCK
PTO to activate the accessory hydraulic sys-
tem.
8. Press button (5) on the controller Main Screen
to activate the water pump until antifreeze
flows from the cutter spray nozzles for several
seconds.
9. Attach the hose and wand to the pressure
washer. Then close the nozzle supply valve
and open the valve for the pressure washer.
Allow water to flow at low pressure until anti
-
freeze flows from the wand nozzle for several
seconds.
10. Close the pressure washer supply valve and
open the nozzle valve, then turn off the pump.
11.
Turn the TRUCK PTO and POWER switches off
and shut down the truck engine.
NOTICE:
REFER TO THE HIGH PRESSURE PUMP MANUFACTURER’S
P R O C E D U R E S F O R M A I N TA I N I N G A N D O P E R AT I N G
THE PUMP IN FREEZING CLIMATES FOR ADDITIONAL
INFORMATION.
System startup in freezing conditions:
There are no special startup procedures with
operation the Rumble Hog in freezing conditions
other than to follow the cold weather warm up
procedure and allow the fluid to warm up to a
temperature above 68
0
F (20
0
C) before operating
hydraulic systems.
WARNING
IF YOU OPERATE IN FREEZING TEMPERATURES OR EVEN
T E M P E R AT U R E S B E L O W 68 D E G R E E S FA H R E N H E I T
(20 DEGREES CELSIUS), IT WILL BE NECESSARY TO
FOLLOW THE COLD WEATHER WARM UP PROCEDURE
UNTIL HYDRAULIC FLUID HEATS UP ABOVE 68 DEGREES
FAHRENHEIT (20 DEGREES CELSIUS). CIRCUMVENTING
A N Y P O R T I O N O F T H I S P R O C E D U R E W I L L C A U S E
CATASTROPHIC FAILURE IN THE HYDRAULIC PUMPS AND
MOTORS. THIS TYPE OF FAILURE EXHIBITS DISTINCT
CHARACTERISTICS AND WILL NOT BE COVERED UNDER
WARRANTY.
Содержание RH7500
Страница 1: ...RH7500 Operations Manual ...
Страница 2: ......
Страница 6: ...6 NOTES ...
Страница 10: ...10 NOTES ...
Страница 19: ...19 Section 1 Safety Information ...
Страница 20: ...20 NOTES ...
Страница 108: ...108 NOTES ...
Страница 150: ...150 NOTES ...
Страница 155: ...155 Appendix 3 Tools Spare Parts ...
Страница 156: ...156 Appendix 3 Tools Spare Parts ...
Страница 158: ...158 NOTES ...
Страница 163: ......