Service manual

Servicing Standard Mortise Case Parts

B.A.S.I.S. V Service Manual 6–5

The following table shows how the bolts, hubs, and cylinder clamp

plate should be oriented for the hand and bevel options. The

orientation indicated assumes that the case is on a flat surface, the case

cover has been removed, and the part is in the case.

Changing the

hand only

Refer to the detailed instructions for each task that follows.

1. Remove and open the mortise case (page 6–2).

2. Perform the steps in Turning over the hubs (page 6–6).

3. If the lock has key override, perform the steps in Turning over the

cylinder clamp plate (page 6–7).

4. Perform the steps in Turning over the auxiliary bolt (page 6–8).

5. Perform the steps in Turning over the latchbolt (page 6–9).

6. Close and reinstall the mortise case (page 6–2).

Changing the

bevel only

Refer to the detailed instructions for each task that follows.

1. Remove and open the mortise case (page 6–2).

2. Perform the steps in Turning over the auxiliary bolt (page 6–8).

3. Perform the steps in Turning over the latchbolt (page 6–9).

4. Close and reinstall the mortise case (page 6–2).

Changing the

hand and bevel

Refer to the detailed instructions for each task that follows.

1. Remove and open the mortise case (page 6–2).

2. Perform the steps in Turning over the hubs (page 6–6).

3. If the lock has key override, perform the steps in Turning over the

cylinder clamp plate (page 6–7).

4. Close and reinstall the mortise case (page 6–2).

Bolts Outside hub Inside hub Clamp plate

bevel up top bottom screw up

bevel down bottom top screw down

LHRB

bevel down top bottom screw up

RHRB

bevel up bottom top screw down