GILES GBF-35, Operation & Service Manual

Page: 62 / 104

56
Fryer Operation
GBF − 35 / GBF − 50 Fryers
13. After vat has refilled, return PUMP switch ⑨ to [OFF] , then immediately
return the OIL RETURN VALVE handle ⑧ of the unit being filtered to the
[CLOSE] position.
14. Check level in the vat ... add oil if below
[FULL] level.
OIL RETURN VALVE(s) in the cabinet(s) must remain in the [CLOSE] position except when filtering oil or filling
vat. Failure to do so can allow oil to siphon back into the filter pan and cause a “LOW OIL” error/alarm and
interrupt cooking operation.
10
4.04 Filtering Used Cooking Oil − continued
Continued on Next Page
8. Verify that HEAT switch remains in the [OFF] position, POWER switch must
remain ON . In the lower cabinet (on banked system, unit w/filter pan) ,
place the diverter valve handle ⑥ in the [OIL RETURN] position
(horizontal) . Slowly move drain valve handle ⑦ of the unit being
filtered , to the [OPEN] position (right to a stop) . Oil should begin
draining into the filter pan.
NOTE: Add ‐ on units in banked systems do not contain the diverter valve,
or any of the other filter pan features.
NOTE:
If oil does not readily drain, use the provided round bristle drain brush
to break up crumbs or residue that may be clogging the vat drain.
While draining, be sure
filter pan cover remains in place to help contain
oil splash & splatter.
7 6
9. On the fryer unit being filtered , set the OIL RETURN VALVE handle ⑧ to the [FILL POT] position (horizontal) .
On banked systems, valves in all other cabinets MUST be in the [CLOSE] position (vertical).
10. When oil has completely drained from vat, place the PUMP switch ⑨ to the [PUMP] position. On banked
fryer systems, this switch is only located on the control panel of the main unit (cabinet w/filter pan). Other
panels do not have the switch.
8
11. Oil will be pumped through filter media & filter aid
contained in the filter pan and returned to the vat ⑩ .
Leave the drain valve open & allow oil to continually
circulate through the system for about
5 minutes as a
“ crumb wash” . During this time, use provided brushes to
scrub vat sides & heating elements to remove cooking
residue, allowing it to be flushed into the filter pan.
12. After about
5 minutes , return drain valve handle ⑦ to the [CLOSE]
position. Filtered, reconditioned oil will begin refilling the vat. Typically,
when pump discharge starts creating air bubbles in the oil, refilling is
complete.
9