Diesel cleaning procedures, Soak mode – MotorVac DieselTune 4000 User Manual

Page 22

200-8241 REV. 2

DieselTune 4000 Operators Manual

Diesel Cleaning Procedures

Verify that

Mixture, Priming,

and

Diesel Setup Procedures

above have been completed

before continuing.

Turn the pressure regulator fully counter clockwise

Press and release the

START

button. The

unit will start and the pressure will be indicated on the pressure gauge. The pressure can be
increased if necessary by turning the pressure regulator clockwise. Do NOT exceed 100 psi.

3. Check for fuel leaks and correct as necessary.

Once the pressure has stabilized, start the engine. Adjust regulator as necessary to maintain correct
pressure at desired engine speed.

5. Check for fuel leaks and correct as necessary.

Once the unit and engine are running, the

Run

time can be adjusted. Press and release the

INCREASE (

)

DECREASE (

) TIME

buttons to adjust the

Run t

ime either up of

down. The default

Run

time is 45 minutes.

Soak Mode

Use of the

Soak Cycle

improves fuel system cleaning results, but may be bypassed if a shorter service is

desired.

After

minutes of operation or half of the

Run

time, whichever is less, a

Soak Cycle

alarm

will sound.

Turn off engine. Press and release the

SOAK

button to start the

Soak Mode

. The machine will

enter into a

15 minute Soak

Cycle

. The

Soak Cycle

is adjustable from 5 to 60 minutes, if a

shorter or longer period is desired. The

Soak

time is adjusted the same way the

Run Time

adjusted.

• WARNING: Anytime the

SOAK

button is pressed (in

RUN

mode) the fuel flow to the

engine will stop, so if the engine was not shut off previously, then it will run out of fuel.

• If the

SOAK MODE

is not desired, do not press the

SOAK

button and do not stop the engine.

The cleaning cycle will continue into the

Final Cleaning Cycle

after a second alarm

sounds two minutes after the first one.

• During the

Soak

period, the

TIME

display will show the remaining

Soak

time left.

Upon completion of the

Soak

time, a

unique 3 second alarm

will sound signalling the end of the

Soak Cycle

, and will continue to sound every minute until the unit has been taken out of the

Soak

Mode