These knurled hand knobs EN 534.8 have a recess in the hub to accept position indicators EN 000.8 or EN 000.3.
They are made to a very high standard from the point of view of quality and design. Worth mentioning in particular is the unique profile of the rim.
If application requires occasional removal of position indicator, hand knob may be ordered upon request with an cover disk EN 576 to shroud the empty recess.
Specification
Knob
Plastic, Polyamide (PA)
Glass fiber reinforced
Operating temperature
32 °F to 212 °F (0 °C to +100 °C)
Install the hand knob to the spindle and fasten it with the set screw.
Turn the spindle to the starting point (0 position).
Move the position indicator to the 0 position by turning the outer gear wheel.
Install the position indicator into the recess of the hub and fasten it with a set screw. To avoid deformation of the housing, do not apply unnecessary excessive torque!
Check by turning the hand knob to ensure that the starting position of the spindle coincides with the 0-position of the two pointers (EN 000.8) or respectively pointer and counter (EN 000.3). If necessary, take out and readjust the position indicator.
Original design
