MST Installation Instructions
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Installation Instructions
Appendix F - Key Override Adjustable Cam Installation (Cont)
Weldment interference.
SC Weldment
CCW Lock
Arm
Override
Counterclockwise
2.
Install slotted KO cam. Do not fully tighten at this
time (Figure 2).
NOTE
Add blue Loctite thread locking
compound to the KO cam mounting
screw.
Removal / Installation
Slotted
KO Cam
KO Cam Mounting Screw
Non-Override
KO Cam
Mounting Screw
Non-slotted
KO Cam
Non-Override
Fig. 2
Fig. 1
1.
Rotate the key lock to the non-override position;
then remove non-slotted key override (KO) cam
(Figure 1).
1.
Hold CCW lock arm open and rotate the key to
the override position (Figure 3).
2.
Slide cam to engage the lock arm tab securely
and completely tighten the mounting screw.
Setup
Cam
Cam Shaft Lobe
CCW
Lock Arm
Override
Fig. 3
NOTE
If key cannot be removed or lock arm does not clear or engage cam shaft lobe properly, repeat 'Setup'
Step 1 and Step 2 to realign. If realignment does not solve the issue, contact Technical Support
(800)
423-4143.
CCW Lock
Arm
Non-Override
Test
Fig. 6
Fig. 5
Fig. 4
NOTE
The self-centering (SC) support weldment may interfere
with cam rotation. Modification of SC weldment to clear
interference may be required (Figure 4).
1.
Rotate key to override position, verify lock arm clears
cam shaft lobe and key is removable (Figure 5).
2.
Rotate key back to non-override position, verify lock
arm engages cam shaft lobe and key is removable
(Figure 6).
