Equus 3551 - INNOVA Inductive Timing Light (DIS) Manual de usuario descargar pdf (Pagina 8)

6

INITIAL (BASE) TIMING CHECK

1. MAKE SURE the timing light is properly

connected as described in TIMING LIGHT

CONNECTION.

2. MAKE SURE the engine has been

properly prepared for the timing check as

described in ENGINE PREPARATION

BEFORE TIMING.

3. Start and run the engine until it reaches its

normal operating temperature.

4. Adjust the engine's idle speed, if

necessary, to conform to manufacturer's

specifications:

5. If using the Model 3555 Advance Timing

Light, MAKE SURE the Advance Control

Knob is rotated fully counterclockwise to

"0".

6. Adjust the Timing Light barrel, as needed,

to adequately light the timing marks.

7. Press the On/Off switch. The Timing Light

will begin flashing. Note the position of the

rotating timing mark in relation to the

reference pointer. See Figure 6.

■ Compare the readings obtained in

step 7 with the manufacturer's

specifications for timing. If the

readings are within the specified

tolerance (typically ±2°), ignition

timing is correct.

■ If the readings are not within the

manufacturer's specifications, parts

replacement or timing adjustment

MAY BE necessary.

8. Press the On/Off switch. The Timing Light

will stop flashing.

9. Turn the ignition off and disconnect the

Timing Light from the engine. BE SURE to

reconnect any vacuum hoses, etc., which

were disconnected during the timing

check.

TIMING ADJUSTMENT

Refer to your vehicle's service manual for the

proper procedures to adjust engine timing. DO

NOT ATTEMPT TO ADJUST ENGINE TIMING

WITHOUT THE MANUFACTURER'S

PROCEDURES OR SPECIFICATIONS.

ADVANCE TIMING CONTROL

CHECKS

The following tests apply to Advance

Timing Light Model 3555 ONLY

Advance and retard timing controls ensure that

ignition occurs at the proper time during the

compression stroke. These controls include:

■ mechanical advance

■ vacuum advance

■ vacuum retard

■ electronic advance

■ electronic retard

■ electronic advance /retard

NOTE

Some ignition systems require that certain

components be disconnected, jumped or

grounded BEFORE ignition timing can be

checked or adjusted to specifications. If

these procedures are not followed, the

checked or adjusted timing will not be

correct. You MUST consult your vehicle's

service manual for the proper procedures

and specifications.

ROTATING

TIMING MARKS

REFERENCE

POINTERS

Fig. 6. Reading Timing Marks

NOTE

If the Timing Light fails to operate or

operates erratically, refer to TROUBLE-

SHOOTING to determine the most likely

cause of the problem.

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Comentarios a estos manuales

Muhammad Sadiq 03 Jan 2025 | 08:42:43

Y

Petter Killingberg 29 Jan 2025 | 08:49:06

Do you have user manual for EQUUS 3128 Advance Timing Analyzer?