Lift Assist Spring Adjustment; Basket Lift Arm Adjustment - Vulcan-Hart ERO15 Service Manual

ER SERIES ELECTRIC FRYERS - SERVICE PROCEDURES AND ADJUSTMENTS
[ Temp. (Lamp off) + Temp. (lamp on) ] ÷ 2 = Average Temp.
Example: 360/ + 340/ ÷ 2 = 350/F.
The average temperature should be
350°F (± 5°F).
A. If the average temperature reading is
within tolerance, cooking control is
properly calibrated.
B. If the average temperature reading is out
of tolerance, perform the following:
1) Solid State Control - Adjust the offset
temperature accordingly as outlined
in SOLID STATE CONTROL under
SERVICE PROCEDURES and
ADJUSTMENTS.
2) Computer Control - Adjust the offset
temperature accordingly as outlined
in COMPUTER CONTROL under
SERVICE PROCEDURES and
ADJUSTMENTS.
7. Repeat the average temperature calculation for
up to three attempts. Allow the cooking control
to cycle at least two times between
adjustments before performing the calculation.
8. If calibration is unsuccessful, the cooking
control may be malfunctioning and cannot be
adjusted properly. Install a replacement
cooking control and check calibration.
LIFT ASSIST SPRING
ADJUSTMENT
1. Turn power switch off.
2. Remove lift arm(s) if basket lift option is
installed.
3. Check spring tension:
A. Raise heating elements to the full up
position. Elements should remain in place.
B. Lower heating elements to the full down
position. Elements should remain in place.
C. If the elements remain in place as
described, then no adjustment is
necessary. If the elements do not remain
in place, continue with procedure for
adjustment.
4. Remove basket lift tube(s) if basket lift option is
installed as outlined under BASKET LIFT
TUBE in REMOVAL AND REPLACEMENT OF
PARTS.
5. Remove rear door (access cover).
NOTE: Elements should be in the down position.
6. To adjust spring tension:
A. Loosen stop nut on all eye bolts.
F35613 (September 2003)
B. Adjust eye bolt mounting nuts as
necessary, but equally on all springs to
achieve the best spring tension to hold
elements in place.
C. Perform spring tension check.
D. Repeat spring tension adjustment if
necessary.
E. Tighten stop nut on all eye bolts.
7. Replace rear door (access cover) and basket
lift components (if installed).
BASKET LIFT ARM
1. With shortening at room temperature, verify the
level is between MIN & MAX lines in fry tank.
Add shortening as needed.
NOTE: Shortening will expand when heated. Do not
fill the fry tank past the MAX line.
2. Turn power switch on and set temperature to
350 / F. Allow the shortening to reach set
temperature.
3. Check basket lift operation.
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ADJUSTMENT