Frymaster Heated Landing Zone HLZ 18 User manual

©McDonald’s Corporation · Planned Maintenance Manual · Revised Nov 2009
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PREP EQUIPMENT PR 10
Frymaster
Heated Landing Zone (HLZ)
Models HLZ18, HLZ22
Daily maintenance tasks
PR 10 D1 Clean HLZ
Monthly maintenance tasks
PR 10 M1 Clean filter screen
Semi-annual maintenance tasks
PR 10 S1 Calibrate HLZ
Model HLZ
A. Heater plate calibration socket, B. Air heater calibration socket, C. Controller, D. Heater plate
Frymaster Heated Landing Zone (HLZ) Models HLZ18, HLZ22 PR 10
A
B
C
D
NOV 2009
*81965
6
7
*

Clean HLZ Daily PR 10 D1
©McDonald’s Corporation · Planned Maintenance Manual · Revised July 2007 Page 1 of 1
Frymaster Heated Landing Zone (HLZ) Models HLZ18, HLZ22 Daily PR 10 D1
Why To maintain effectiveness of the heating unit
Time required 30 minutes to prepare 3 minutes to complete
Time of day After close For 24-hour restaurants: during low-volumes times
Hazard icons
Tools and supplies
Brush, pot, nylon McD All Purpose
Super Concentrate
(APSC) solution Bucket, clean and
sanitized towels Bucket, soiled towels
Procedure
1 Turn off HLZ and allow to cool.
Allow 30 minutes for the
HLZ to cool.
Do not clean a hot HLZ.
2 Clean heated surfaces.
Clean all heated surfaces with
a clean, sanitized towel
soaked in McD APSC
solution. Use a nylon pot
brush for stubborn stains or
soil.
Sanitizer solution,
McD APSC
Do not use McD Sanitizer,
no-scratch pads, scrapers, or
other brushes. They can
damage the surface.
3
Clean other surfaces.
Clean the stainless steel
surfaces with a fresh clean,
sanitized towel soaked in
McD APSC solution.

Clean filter screen Monthly PR 10 M1
©McDonald’s Corporation · Planned Maintenance Manual · Revised July 2007 Page 1 of 1
Frymaster Heated Landing Zone (HLZ) Models HLZ18, HLZ22 Monthly PR 10 M1
Why To maintain hot air flow
Time required 30 minutes to prepare 5 minutes to complete
Time of day After close For 24-hour restaurants: during low-volume times
Hazard icons
Tools and supplies
Brush, nylon, pot McD All Purpose
Super Concentrate
(APSC) solution Bucket, clean and
sanitized towels Bucket, soiled towels
Procedure
1 Turn off HLZ and allow to cool.
Allow 30 minutes for the
HLZ to cool.
Do not attempt to remove the
filter screen from a hot HLZ.
2 Remove filter screen.
Lift the screen up and away
from the tower.
3 Clean filter screen.
Clean the screen with a clean,
sanitized towel soaked with
McD APSC solution. Use a
nylon pot brush for stubborn
stains or soil.
Sanitizer solution,
McD APSC
4 Wipe filter screen with clean,
sanitized towel.
Wipe the filter screen with a
fresh clean, sanitized towel.
5 Reinstall filter screen.
Slip the wire guides on the
bottom of the screen into the
slots on the tower.

Calibrate HLZ Semi-annual PR 10 S1
©McDonald’s Corporation · Planned Maintenance Manual · Revised July 2007 Page 1 of 1
Frymaster Heated Landing Zone (HLZ) Models HLZ18, HLZ22 Semi-annual PR 10 S1
Why To ensure correct holding temperature and accuracy of computer controls
Time required 20 minutes to prepare 10 minutes to complete
Time of day During low-volume times For 24-hour restaurants: During low-volume times
Hazard icons
Tools and supplies
Pyrometer with dual
male connectors
Procedure
1 Make sure HLZ is clean and at
proper operating temperature.
Make sure the HLZ is clean
and has been turned on for at
least 20 minutes. The display
should read “REdY”.
2 Plug pyrometer connector into
“AIR” receptacle on HLZ.
The HLZ is hot.
3 Read and compare air
temperatures.
Wait 3 minutes for the py-
rometer readout to stabilize.
Press the heater temperature
switch once to display the
HLZ air temperature readout.
Compare the two temperature
readings. If the two tempera-
tures are more than 15°F
(9°C) apart, contact your
Factory-Authorized Service
Center.
4 Plug pyrometer connector into
“PLATE” receptacle on HLZ.
5 Read and compare plate
temperatures.
Wait 3 minutes for the py-
rometer readout to stabilize.
Press the heater temperature
switch once to display the
HLZ plate temperature read-
out.
Compare the two temperature
readings. If the two tempera-
tures are more than 10°F
(5°C) apart, contact your
Factory-Authorized Service
Center.