Maintenance Instructions

WARNING: Unauthorized machine modification or use of non-approved replacement parts may cause personal injury and/or property damage and will void the manufacturer warranty.

All mechanical equipment, no matter how well designed, will need repairs. A NorthStar water heater is no exception. At times, a NorthStar water heater may be inoperable because repairs are required. NorthStar Customer Service will assist in these repairs as needed, but if an inoperable water heater creates a major expense to your business then we strongly recommend the following:

1.Have someone on staff who is trained in the operation of the water heater and is capable of making minor repairs and performing all preventative maintenance procedures as outlined in the provided manuals.

2.Keep a stock of recommended service parts for maintenance and minor repairs.

I.) Recommended Service Parts List

Following is a list of the service parts we recommend stocking.

Description	Part Number
Flow Switch	37537
Inlet Hose	37538
Electrode Kit	RWB5780U
Fuel Pump	RWB21844U
Ignitor	RWB51771U
Fuel Filter Element	RCR12T
Pressure Gauge	MV32154

II.) Maintenance Mode

Before performing any maintenance on the water heater,

it must be placed in maintenance mode.
A.)	Turn off water supply
B.) Bleed water from system
C.) Turn off and unplug power cord
III.) Maintenance Schedule

What to Check		When To	What to Do
		Check
Fuel Filter		500 hrs	Change
	Tires	Each Use	Check Pressure
Hoses		Each Use	Check for Wear
	Bolts	Each Use	Check for Loose
			Bolts
IV.) Checking the Tire Air Pressure
A.)	Remove air fill cap
B.)	Fill tire to 20psi (1.4bar)

C.) Replace air fill cap

Air Fill Stem

Air Fill Cap

00425

V.) Burner Fuel Filter

Drain water that has accumulated in the fuel filter bowl and replace the filter as needed.

Filter

Water Drain

VI.) Checking the Hoses

WARNING: Do not use a finger or skin to check for leaks. Escaping fluid under pressure has sufficient force to penetrate the skin, causing serious injury. Do not operate the pressure washer if the hose is cracked, worn, or leaking.

A.) Check all hoses for leaks

B.) Check all hoses for worn areas

Good

Bad

00426

157494 specifications

Northern Industrial Tools 157494 is a high-performance air compressor designed to meet the demands of both professional and DIY applications. Known for its durability and efficiency, this compressor stands out in the crowded market of industrial tools. One of the primary features of the Northern Industrial Tools 157494 is its robust construction, which includes a heavy-duty pump that ensures long life and reliable performance. The compressor is equipped with a powerful motor that delivers a substantial amount of air pressure, allowing it to tackle a variety of tasks, from inflating tires to powering pneumatic tools.

One of the key technologies utilized in the Northern Industrial Tools 157494 is its oil-lubricated pump system. This technology enhances the lifespan of the compressor by minimizing wear and tear, ultimately providing a quieter and more efficient operation. The oil-filled pump also ensures optimal cooling and lubrication, which are crucial for maintaining performance during extended use. Additionally, the compressor features a two-stage design, which increases its efficiency and output, allowing for faster recovery times between cycles.

The Northern Industrial Tools 157494 boasts an impressive air delivery rate, providing users with the necessary airflow for high-demand applications. This feature is particularly beneficial for professionals in construction or automotive industries, where quick and reliable air supply is essential. The compressor also comes with a large, easy-to-read pressure gauge that allows users to monitor the output pressure effortlessly, ensuring that they can make real-time adjustments as needed.

In terms of portability, the Northern Industrial Tools 157494 is designed with user convenience in mind. It is equipped with sturdy wheels and a handle, making it easy to transport from one job site to another. This feature is especially valuable for those who need to move the compressor frequently without compromising on stability or balance.

Overall, the Northern Industrial Tools 157494 represents an ideal blend of power, efficiency, and portability. Its advanced technologies, durable construction, and high air delivery make it a leading choice for professionals and hobbyists alike, ensuring that it can meet a wide range of industrial and home improvement tasks with ease and reliability.