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Service and Maintenance for Mortise Locks

4–56 W Series Service Manual

Reinstalling the latch status switch

1. Install the new latch status switch assembly in the case.

2. Route the latch status switch wires or cable as shown in Figure 4.53.

3. Clamp the latch status switch wires or cable in the strain relief. Slide

the strain relief into position on the case. It should lock into place.

4. Make sure that the latchbolt’s anti-friction latch lever is in position

and place the latchbolt in the case.

5. Slide the brass grommet on the latchbolt away from the U-shaped

latchbolt rod support. Rest the latchbolt rod into the U-shaped

support. Release the grommet. It should snap into place.

Note: If you can pull the square-shaped tail out of the rod support,

the latchbolt is not placed properly. Reposition the latchbolt.

6. Install the “E” tumbler in the case. Make sure that the tumbler spring

rests against the “E” tumbler.

7. Reinstall the mortise case cover and case spacer. See Task H. To

reinstall the mortise case cover and case spacer: on page 4–48.

8. Reinstall the mortise case. See Task B. To reinstall the mortise case:

on page 4–14.

Figure 4.54 Latchbolt with anti-friction latch lever in position

Latchbolt

Anti-friction latch lever

Figure 4.55 Positioning the tumbler spring

(closeup, IDH Max, LHRB orientation shown)

Latchbolt

Latchbolt support

Tumbler spring

“E” tumbler

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BEST ACCESS SYSTEMS 35HW Wartungshandbuch Seite 110