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Heater Installation

Instructions for: In-block direct immersion heaters Tank-type coolant heaters

Please refer to specific instructions that accompany heater.

THREADED PLUG TYPE HEATERS

  • A.

    Drain the cooling system.

  • B.

    Remove the recommended plug. (See instructions with heater)

  • C.

    Apply teflon tape to threads.

  • D.

    Thread heater into engine.Be careful to keep element from touching walls.

  • E.

    Align cord with pins on the heater and press the cord into the heater.Place clamp around cord & heater. Close tightly.

  • F.

    Route the cord,keeping away from hot or moving surfaces.DO NOT PLUG IN HEATER!

  • G.

    Re-fill the cooling system.Run engine until thermostat opens and continue running for another 20 minutes to eliminate air.

  • H.

    Stop engine and let cool.Check for leaks.Check coolant level.

  • I.

    Plug heater into power supply and test for proper operation.Block should feel warm near heater.

PLATE TYPE HEATERS

  • A.

    Drain the cooling system.

  • B.

    Remove the recommended plate. (See instructions with heater)

  • C.

    Clean the gasket area.

  • D.

    Apply gasket sealant to plate and engine surfaces.

  • E.

    Insert heater into engine,keeping element from touching walls.Tighten bolts.

  • F.

    Align cord with pins on the heater and press the cord into the heater.Place clamp around cord & heater.

  • G.

    Route the cord,keeping away from hot or moving surfaces.DO NOT PLUG IN HEATER!

  • H.

    Re-fill the cooling system.Run engine until thermostat opens and continue running for another 20 minutes to eliminate air.

  • I.

    Stop engine and let cool.Check for leaks.Check coolant level.

  • J.

    Plug heater into power supply and test for proper operation.Block should feel warm near heater.

FREEZE (CORE) PLUG TYPE HEATERS

  • A.

    Drain the cooling system.

  • B.

    Remove the recommended plug. (See instructions with heater)

  • C.

    Clean,smooth and dry core plug opening.

  • D.

    Apply a light coat of grease to the O ring and core plug opening.

  • E.

    Insert heater into engine and position properly. Push the heater into the engine by hand,then tap with hammer handle until flange is even with engine block.

  • F.

    Align cord with pins on the heater and press the cord into the heater.Place clamp around cord & heater.

  • G.

    Route the cord,keeping away from hot or moving surfaces.DO NOT PLUG IN HEATER!

  • H.

    Re-fill the cooling system.Run engine until thermostat opens and continue running for another 20 minutes to eliminate air.

  • I.

    Stop engine and let cool.Check for leaks.Check coolant level.

  • J.

    Plug heater into power supply and test for proper operation.Block should feel warm near heater.

TANK TYPE HEATERS

Please refer to specific instructions that accompany heater.

  • 1.

    Select a heater mounting location near the engine where the heater can be mounted horizontally and below the lowest point of the engine's water jacket.The heater can be installed vertically if necessary,but care must be taken to assure that the heater's internal heating elements are covered with coolant at all times.

  • 2.

    Mount the heater with the mounting straps provided.Position the heater with the outlet pointed up.If the heater is mounted vertically,mount the inlet at the bottom and below the lowest portion of the engine's water jacket.

  • 3.

    Connect the heater outlet to the highest accessible point in the engine's water jacket area,and at the furthest point from the engine's thermostat.Do not loop the hose higher than the port on the engine to avoid trapped air and air lock.

  • 4.

    Connect the heater's inlet to the lowest accessible point of the water jacket.If a connection point is not available,connect to the lower radiator hose.This hose should run down to the heater inlet.

  • 5.

    Refill the engine coolant.To eliminate trapped air in the heater circuit,fill the block with the heater outlet disconnected until the circuit is filled.Then connect the heater outlet and continue filling the engine block.

  • 6.

    Start the engine and run it until the thermostat opens,and then for an additional 20 minutes to get all air out of the system.Then shut down the engine and let it cool.Check for leaks and check coolant level.

Outlet Neck

Inlet

HORIZONTAL MOUNT

YES

1

Outlet Neck

Inlet

VERTICAL MOUNT

YES

2

YES

NO

NO

Lowest level of water jacket

NO

NO

  • 7.

    Route the power cord keeping it away from hot and moving surfaces.

  • 8.

    Plug the heater into a power source and test for proper operation. The engine block should feel warm to the touch in the area where the heater outlet hose joins the block.

Coolant Flow

Customer Support: (509) 536-8660

Toll-Free FAX: (800) 224-5550

www.kimhotstart.com

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