4-1
MAC/MTT-OPS-1
26 FEB 2019
SECTION 4
Normal Operations
Contents
DESCRIPTION
This section provides the vehicle operator with
step by step operating procedures for the installed
system. The information is separated into before
operations, operations and after operations. A
pocket size checklist of all listed procedures is also
provided in the Appendix for use in the vehicle
cab.
A pocket size Operator’s Checklist of all MAC/MTT
procedures is contained in the Appendix for use in
the vehicle cab.
Place a copy of the Appendix Operator’s Checklist
within the cab for daily use.
BEFORE OPERATIONS
These procedures are used to perform a walk-
around inspection of the MEGA water tanker
system before use or the beginning of a shift. This
inspection is in addition to and does not replace
the vehicle manufacturer’s inspection
requirements.
1. Chocks – As Required
2. Vehicle Parking Brake – ON
3. Cab Control Switches – SET OFF
4. (If Equipped) Foam Concentrate Level –
CHECKED. At least 1” from the top of the foam
tank.
Ensure PPE fall arrest harness is worn, adjusted
properly and attached to an anchor point.
Failure to use PPE properly may result in
personnel injury or death.
5. Water Cannon – CHECKED & SECURED
a. Nozzle – Check for security and kinking of
foam concentrate supply line.
6. Solenoid Control Box – CHECKED AND
SECURED
7. MAC/MTT Front Mounts – CHECKED AND
SECURE
8. Vehicle Hydraulic Tank – SERVICED
9. MAC/MTT LH Hydraulic Hoses and Cabling –
CHECKED FOR SECURITY & LEAKS.
10. Chassis Pivot Bore Pins – INSTALLED AND
SECURED
11. Tank Drain Petcocks – CLOSED
12. Spray Heads – SECURED & ADJUSTED FOR
APPLICATION
13. Water Pump Assembly – CHECKED
a. Water Pump – Check to ensure volute case
drain valve is closed.
b. Water pump and drive motor for evidence of
overheating.
14. Hose Reel – CHECKED
15. (Rear Bulkhead Location Only) Solenoid
Control Box – CHECKED.
16. MAC/MTT RH Hydraulic Hosing & Cabling –
CHECKED FOR SECURITY AND LEAKS.
17. (If Equipped) Front Bumper Spray Heads &
Plumbing – SECURED AND SET.
Description ....................................................................4-1
Before Operations .......................................................4-1
Operations .....................................................................4-2
After Operations ..........................................................4-7
Cold Weather Operations And Storage ...............4-8