Adjusting The Thread T R I M M E R -900/52; Preadjusting The Control Cam - Pfaff 335 Instruction Manual

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~p
Adjustment
12.05
Adjusting the thread trimmer -900152
(optional)
12.05.01
Preadjusting the control
cam
Requirement
With the take-up lever at ~ t s bdc, projection 4 on the control cam 2 must be directly
underneath the cam follower 5.
Fig
1 2 - 1 3
Loosen the t w o screws o n the control cam 2 through the assembly hole 1.
Bring the take-up lever to its bdc by turning the handwheel .
Turn the control cam 2 on its shaft in accordance w i t h the requirement.
In this position, and taking care to ensure that the control cam 2 is touching tne
bearing 3 below it, t i g h ~ e n the accessible screw on the control c a m 2.
Make the second screw o n the control cam 2 accessible and tighten it.
Carry out a check.
PFAFF
12 - 14