MEGA Corp. MSC-OPS-1 - Manual (Page 34)

MSC/MST-OPS-1
31 Dec 2013
SECTION 4
Normal Operations
4-5
8. Ensure foot valve remains submerged in water.
9. Start chassis engine.
10. At LOW IDLE turn SYSTEM/POWER switch ON.
11. (DiSCS Only) AUX2 - ON
12. Turn PUMP Switch – ON
Engaging/disengaging the water pump above
LOW IDLE may result in water pump component
damage and reduced service life.
13. Increase engine RPM to HIGH IDLE.
When unit is full of water
14. Reduce engine RPM to LOW IDLE.
15. PUMP Switch – OFF
Engaging/disengaging the water pump above
LOW IDLE may result in water pump component
damage and reduced service life.
16. AUX2 - OFF
17. SYSTEM/POWER Switch OFF.
18. Turn engine OFF.
19. Disconnect, drain and stow suction hoses.
AFTER OPERATIONS
These procedures are used to perform a walk-around
inspection after using the MEGA water tanker
systems. This inspection is in addition to and does
not replace the vehicle manufacturer’s inspection
requirements.
1. Vehicle parking brake – ON
2. Cab Control Switches – SET OFF
3. Chocks – As Required
4. Bumper Spray Heads – SECURED & SET
5. Gooseneck Hoses & Lines – CHECKED & SECURED
6. Solenoid Control Box – CHECKED
7. Water Cannon – CHECKED & SECURED
8. Vehicle Hydraulic Tank - CHECKED AS REQUIRED
9. Tank Drain Petcocks – As Required.
10. Tank Lines and Hoses – SECURED
11. Spray Heads – SECURED & SET
12. Water Pump – CHECKED
a. Water Pump – Check for damage and volute
case drain valve set as required.
13. Hose Reel – CHECKED
COLD WEATHER OPERATION AND STORAGE
Ice will cause serious damage to water pump, spray
heads, butterfly valves, water-to-oil cooler, and the
water cannon if water is allowed to freeze in the
volute case, water piping, or on top of a closed
butterfly valve. Ensure all water is drained from
system when the temperatures are expected to fall
below 4.4°C (40°F) for any period of time. Failure to
ensure all systems are drained and free from standing
water will result in shaft, operator, diaphragm, drive
motor, water pump, or butterfly valve damage when
operation is attempted with ice in the housings.
To ensure all water is drained from tank check the
following:
1. Park unit on a slight nose up angle to allow water
to flow to the rear of the tank.
2. Drain the tank using an appropriate method until
the Water Level Gauge reads EMPTY.