baltur GI 500 MC, Installation, Use And Maintenance Instruction Manual

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ENGLISH
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DETAIL OF THE MODULATION CONTROL
MOTOR SQM 40 FOR CAM ADJUSTMENT
1
2
3
4
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I MAXIMUM AIR OPENING (130°)
II TOTAL AIR CLOSURE (BURNER STOPPED)( 0°)
III IGNITION AIR OPENING (GREATER THAN CAM)
IV__TAB__MINIMUM AIR OPENING (LOWER THAN CAM III)
(15°)
1 Lever for enabling/disabling motor-camshaft coupling
2 Reference scale
3 Camshaft
4 Adjustable camshaft
Use the corresponding rings to modify the adjustment of the utili-
zed cams (I - II - III). The pointer on the red ring indicates the ro-
tation angle set for each cam on the respective reference scale.
SQN72.4C4A20 AIR SERVOMOTOR ADJUSTMENT
I 2nd flame air regulation cam (120°)
II Total air closure (burner stopped) (0°)
III 1st flame air regulation cam (10°)
IV Ignition air cam (30°) IV > III
V Ignition transformer cam (40°)*
* Cam V > IV (Approx. 5 - 10°)
1 Camshaft-motor coupling insertion and exclusion pin.
2 Reference scale
3 Position indicator
4 Adjustable camshaft
To adjust the setting of the cams used, use the corresponding
rings (I - II - III). The scale on the ring indicates the reference
scale of the rotation angle set for each cam.