Antunes, AJ VCT-50 - Manual (Page 18)

VERTICAL CONTACT TOASTER
18 P/N 1010729 Rev. C 05/04
VERTICAL CONTACT TOASTER
19 P/N 1010729 Rev. C 05/04
TROUBLESHOOTING (continued)
Problem Possible Cause Corrective Action
Conveyor belts are
“jumping” or “snapping”.
Toaster is installed incor-
rectly.
Perform installation and operating procedures (pages
7-9).
Bun adjustment controls set
incorrectly.
Measure bun thickness and set bun adjustment con-
trols correctly (page 9).
Conveyor drive motor inop-
erative or incorrect conveyor
motor installed on toaster.
To check drive motor:
1. Measure resistance of motor coil. Replace motor
if coil measures either open circuit or zero resis-
tance.
2. Mark the drive motor sprocket and count the turns
per minute. Correct drive motor speed is nine (9)
turns per minute for VCT-20; three (3) turns per
minute for VCT-25; one (1) turn per minute for
VCT-50.
Conveyor drive chain loose,
worn or broken. Loose
motor drive sprocket.
Check drive chain for kinks, broken or bent links
or other damage. Check motor sprocket and drive
sprockets (on drive shaft); tighten setscrew on flat of
shaft if required. Check for damaged/worn sprockets
and replace as required.
Conveyor belts installed
incorrectly.
Install conveyor belt to match diagram in Fig. 8 (page
10). Be sure that ends of the hooks are facing down.
Conveyor belt too loose
or missing links (41 links
required when new). When
new, conveyor has 37 large
links and 4 small links.
Remove conveyor belt (page 11). Lay belt flat and
count links. Replace entire belt if links are dam-
aged. If conveyor belt has too much play, it will jam.
Adjust belt length as described under Servicing the
Conveyor Belt (page 11).
Spring tensioner assy(s). or
tensioner bent or missing.
Replace spring tensioner assy(s). (29, page 22)
or tensioners (4, page 24) if damaged or loose.
Replace slide rails (40, page 24 worn or missing.
Crown and/or heel must
be forced into toaster.
Heat shield improperly
installed.
Crown and/or heel improp-
erly inserted into toaster.
Remove and reposition heat shield.
Buns must be inserted with cut faces facing each
other; heel in front slot and crown in rear slot.