TMG TMG-HW28, Product Manual

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4.To apply chemical, engage trigger on pressure wand assembly. Turn chemical injector’s nipple to
adjust flow. For the high pressure soap systems, open ball valve and engage trigger.
5.Chemical can now be applied through pressure wand assembly. It will take 5 – 15 seconds for
chemical to travel to spray nozzle. The volume of chemical being used may be adjusted at the
chemical injector.
6.For best results apply chemical from bottom to top, and allow for proper penetration time prior to
rinsing. Do not allow chemical to dry. Rinse from bottom to top and then top to bottom.
WINTER PUMP/ COIL PROTECTION
The following procedure MUST be used when the pressure washing unit is stored at
temperatures below freezing.
1.All water must be drained or blown (via compressed air) from system. Connect a short piece of male
fitted ½” garden type hose on to the female inlet on the pump.
2.Place the open end of the hose into a wide mouthed container of full strength, winter rated, vehicle
windshield washing fluid or Anti-Freeze, RATED FOR MINIMUM -40°C.
3.Connect the pressure wand assembly.
4.Start the engine and engage the trigger on the pressure gun. Operate the system until the fluid runs
the same color as the windshield washing fluid. Your machine is now prepared for storage.
5.Disconnect fluid supply, blow out with compressed air, and cap end.
GENERAL MAINTENANCE
Burner Maintenance
NOTE: Repair of the burner is to be done by authorized and trained burner professionals only.
The oil filter cartridge should be replaced every year to prevent fuel contamination and plugging of fuel
pump and nozzle of oil burner. The nozzle should also be replaced at least once every year or twice if
used daily and if poor combustion begins to occur.
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