that controls and instruments on the control panel are in good condition and that protective caps are on
the fuel supply, fuel return, and water inlet connectors of the M2 water heater. Check nameplates and
identification plates for legibility and ensure that they are securely attached to the equipment. Be sure
that all on-equipment material (OEM) is present, clean, and serviceable.
The OEM items that should be present are --
Two slurry nozzles.
Two fire hose water nozzles.
Two fire hose foam nozzles.
One 12-inch adapter grease gun with flexible coupling.
One hand-held grease gun.
One hand oiler.
One collapsible canvas pail.
One pair of camloe pliers.
One pair of 6-inch, slip joint, straight nose pliers.
One 6-inch, flat tip screwdriver.
One 8-inch, flat tip screwdriver.
One V-belt tensiometer.
One 8-inch, open end, adjustable wrench.
Two 15-inch, open end, adjustable wrenches.
One crank handle.
One 9/16- X 5/8-inch double-head open-end wrench.
One pair of retaining ring pliers.
One 8-inch blade, flat-tip screwdriver.
One universal spanner wrench.
One engine starter rope.
These items, with the exception of the two slurry nozzles which will usually be on the gun assemblies,
will be found in the toolbox between the hose reels.
In the before-operation procedures, you must clean the gun assembly, if required. In the cleaning
process, be sure to clean the hardened slurry or dirt from the gun assembly. Especially clean the hard-
to-reach areas around the gun handle and the threads of the adapter. Use soapy water and a small brush
to loosen the dirt. Rinse with clean water and dry.
In cleaning the gun assembly, you may need to remove it from the discharge hose. To do so, unscrew
the discharge hose coupling from the adapter at the base of the gun assembly. Remove the slurry nozzle
from the extension pipe, as shown in Figure 13.
Use a similar procedure to remove the gun assembly from the discharge hose coupling.
Reinstallation of the gun assembly is the reverse of removal. Install the gun assembly on the discharge
hose by screwing the open end of the