Adjustment Procedures
5-2
750-96 (revised 2010)
Model CB Packaged Boiler Manual
• The closer the connector is to the drive shaft the less the arm will travel, while the closer the connector is to
the driven shaft the farther that arm will travel.
• Over-travel linkage, where used, should not be required to extend its spring to fullest stretch.
FIGURE 5-1. Complete Linkage Assembly: Combination Gas and Oil
With the modulating motor in the low fire position, the arm on its shaft should be at an angle of 45º below the hor-
izontal. The driven arm on the jackshaft should be parallel to this. Secure both arms and fit the connecting linkage
rod in place between them.
To Next Page
Loading...
