Mi-T-M GH-3504-0EGH - User Manual

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GH-Series Operator's Manual 1

©Copyright 2005, Grainger #37-0763-E/S-050107

OPERATION MANUAL FOR

GH-2403-3MGH

GH-3003-3MGH

GH-3004-0EGH

GH-3504-0EGH

(GrainGEr iTEM #3WE17, #3WB80, #3WB81 anD 3WB82)

HOT WATER

PRESSURE WASHER

CAUTION

RISK OF INJURY!

READ MANUAL BEFORE OPERATING!

This manual is an important part of the

pressure washer and must remain with this unit!

MANUFACTURED FOR W.W. GRAINGER INC.

FOR CUSTOMER SERVICE CALL

1-800-648-8478

®

C US

201473

Other manuals for Mi-T-M GH-3504-0EGH

Operation Manual52 pages

Questions and Answers

K
Kevin HopkinsAug 21, 2025
Why won't the burner ignite on my Mi-T-M Pressure Washer?
- J
  Jillian MartinAug 21, 2025
  If your Mi-T-M Pressure Washer's burner will not ignite, try the following: 1. Ensure the burner switch is turned on. 2. Refuel if the unit is out of fuel. 3. Open the trigger gun to allow for pressure. 4. Adjust or replace the EMF drive belt if it's loose or broken. 5. Replace the flexible coupler if broken. 6. Drain or replace the fuel filter/water separator if it's dirty or clogged. 7. Tighten all fuel intake connections to prevent the fuel pump from sucking air and eliminate any leaks in the intake line. 8. Check the fuel pump pressure and replace if needed. 9. Replace the fuel nozzle if it's dirty or clogged. 10. Ensure pressure is over 250 PSI/18 Bar to allow burner to come on. 11. Allow unit to cool down before reigniting.
A
April RichardsonAug 23, 2025
How to fix detergent will not siphon into Low Pressure Detergent mode in Mi-T-M Pressure Washer?
- K
  Kristin PierceAug 23, 2025
  If the detergent is not siphoning into the low-pressure detergent mode on your Mi-T-M Pressure Washer, check these items: * Ensure the detergent strainer is fully submerged in the detergent solution. * Inspect, clean, or replace the detergent strainer if it's obstructed. * Inspect, clean, or replace the detergent hose if it's cut, obstructed, or kinked. * Open the detergent adjusting knob. * If your unit has an adjustable grip on a dual lance, turn the grip clockwise to move to low pressure. * Clean or replace the nozzle assembly if it's plugged. * Use one high-pressure hose extension maximum. * Remove, clean, or replace the ball & spring in the venturi if stuck.
J
julie56Aug 26, 2025
What to do if water is leaking from Heat Dump Valve in Mi-T-M Pressure Washer?
- S
  sgreeneAug 26, 2025
  If your Mi-T-M Pressure Washer is leaking water from the heat dump valve, it could be due to the following reasons: * The water temperature is too high. To resolve this, avoid operating the unit in bypass mode (with the trigger gun closed) for more than three minutes. * The valve is defective. In this case, replace the valve.
V
Victor ScottAug 27, 2025
Why does the burner run erratically on my Mi-T-M Pressure Washer?
- M
  Matthew EverettAug 28, 2025
  If the burner on your Mi-T-M Pressure Washer runs erratically, consider these potential causes: * Water in the fuel oil: Drain the fuel filter/water separator and fuel tank, then replace with clean fuel. * Dirty fuel filter/water separator: Replace the element. * Dirty fuel nozzle: Replace the nozzle. * Fuel pump malfunctioning: Replace the pump.
J
John VasquezAug 30, 2025
Why burner runs, but will not heat in Mi-T-M Pressure Washer?
- S
  Stephanie CrossAug 30, 2025
  If your Mi-T-M Pressure Washer burner runs but doesn't heat, check the following: * Ensure you are using the correct fuel. If necessary, drain the tank and filter, then refill with the proper fuel. * Check the fuel pump pressure and replace the pump if needed. * Replace the fuel nozzle if it's dirty.
J
Joseph RiveraSep 1, 2025
What causes water to flow back into the detergent container on a Mi-T-M Pressure Washer?
- J
  James PenaSep 1, 2025
  If water flows back into the detergent container of your Mi-T-M Pressure Washer, the ball & spring in the venturi may be reversed, missing, or corroded. Remove, clean, or replace these components.
A
amillerSep 3, 2025
Why does the oil appear milky or foamy in my Mi-T-M Pressure Washer?
- D
  Deanna RiggsSep 3, 2025
  If your Mi-T-M Pressure Washer's oil appears milky or foamy, it indicates water in the oil. Change the pump oil and fill it to the proper level.
A
Angel CampbellSep 5, 2025
What to do if water is leaking under heat exchanger coil in Mi-T-M Pressure Washer?
- J
  John ArmstrongSep 5, 2025
  If water is leaking under the heat exchanger coil of your Mi-T-M Pressure Washer, it could be due to these reasons: * The coil drain plug is not installed. Install the plug. * The safety relief device is relieving pressure due to an unloader or pressure switch problem. Detect and correct the unloader or pressure switch problem and replace the safety relief device.
K
Kevin HarrisSep 7, 2025
Why does my Mi-T-M Pressure Washer burner discharges white smoke?
- R
  Rebecca HallSep 7, 2025
  If your Mi-T-M Pressure Washer discharges white smoke, it means it is low on fuel. Refuel the unit. If the white smoke persists, consult Service.
S
smithjoelSep 9, 2025
What causes black smoke from the burner of my Mi-T-M Pressure Washer?
- P
  popemariaSep 9, 2025
  If your Mi-T-M Pressure Washer discharges black smoke, it indicates an insufficient air supply. Adjust the air supply as shown on page 18.

Mi-T-M GH-3504-0EGH Specifications

General

Engine Displacement	389cc
PSI	3500
GPM	4.0
Hose Length	50 ft
Pump Type	Triplex Plunger
Engine	Honda GX390 OHV

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