BEST ACCESS SYSTEMS AD432, Service Manual

Page: 47 / 54

Service and Maintenance
Key Combinator Service Manual 3–31
T
ROUBLESHOOTING
This table summarizes the possible causes for the most common key
combinator problems. The causes are listed in the order of likelihood.
(The most likely cause is first, and so forth.)
You notice… Possible causes include… You should…
Key is difficult to insert in the key
combinator. a. Key clamp spring is closed. a. Turn the key clamp knob to open
the key clamp spring.
b. Key clamp spring needs to be
adjusted.
b. Adjust the key clamp spring until
the key feels tightly secured in the
key carriage (
page 3–25 ).
Key is loose in the key carriage. a. Key clamp spring is open. a. Turn the key clamp knob to close
the key clamp spring.
b. Key clamp spring needs to be
adjusted.
b. Adjust the key clamp spring until
the key feels tightly secured in the
key carriage (
page 3–25 ).
Depth selector is jammed or will
not allow selection of deeper cuts. Chips are lodged in the guide rails. Remove the punch and die and clear
away the chips from the guide rails
(
page 3–27 ).
There is a burr in the keycut. a. Handle was not depressed
completely.
a. Recut the key ( page 3–4 ).
b. Punch and die are worn. b. Replace the punch and die
( page 3–9 ).
Keycut depth is incorrect. a. Depth selector was not released
when the cut was made.
a. Follow the steps for cutting keys
(
page 3–4 ).
b. Cutting depth needs to be
calibrated.
b. Calibrate the depth of the cut
( page 3–16 ).
c. There are chips on the depth
selector.
c. Remove the depth selector
(
page 3–7 ) and clear away the
chips.
d. There are chips on the die
assembly roller.
d. Remove the depth selector
( page 3–7 ) as well as the punch
and die ( page 3–9 ). Clear away the
chips.
Operating handle is difficult to pull
down. a. Retainer ring is hyper extended. a. Replace the retainer ring.
b. Operating lever needs to be
lubricated.
b. Lubricate the lever handle
( page 3–29 ).
Keycut spacing is incorrect. Key carriage does not move or
moves inconsistently. Remove the key carriage and clear
away any chips. If the problem persists,
return the combinator to BEST for
repair.