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PREP EQUIPMENT
Frymaster
Heated Landing Zone (HLZ)
Models HLZ18, HLZ22
Model HLZ
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
D
PR 10
Frymaster Heated Landing Zone (HLZ) Models HLZ18, HLZ22 PR 10
C
A
B
A. Heater plate calibration socket, B. Air heater calibration socket, C. Controller, D. Heater plate
NOV 2009
Hazards
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Equipment alerts
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Tips
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©McDonald’s Corporation · Planned Maintenance Manual · Revised Nov 2009
Clean HLZ Daily PR 10 D1
Why
To maintain effectiveness of the heating unit
Frymaster Heated Landing Zone (HLZ) Models HLZ18, HLZ22
Time required
Time of day
Hazard icons
Tools and supplies
Brush, pot, nylon
Procedure
Turn off HLZ and allow to cool.
1
Allow 30 minutes for the
HLZ to cool.
Do not clean a hot HLZ.
Clean heated surfaces.
2
Clean all heated surfaces with
a clean, sanitized towel
soaked in McD APSC
solution. Use a nylon pot
brush for stubborn stains or
soil.
30 minutes to prepare 3 minutes to complete
After close For 24-hour restaurants: during low-volumes times
McD All Purpose
Super Concentrate
(APSC) solution
Bucket, clean and
sanitized towels
Bucket, soiled towels
3
Clean other surfaces.
Clean the stainless steel
surfaces with a fresh clean,
sanitized towel soaked in
McD APSC solution.
Sanitizer solution,
McD APSC
Do not use McD Sanitizer,
no-scratch pads, scrapers, or
other brushes. They can
damage the surface.
Daily PR 10 D1
©McDonald’s Corporation · Planned Maintenance Manual · Revised July 2007 Page 1 of 1
Clean filter screen Monthly PR 10 M1
Why
To maintain hot air flow
Frymaster Heated Landing Zone (HLZ) Models HLZ18, HLZ22
Time required
Time of day
Hazard icons
Tools and supplies
Brush, nylon, pot
Procedure
Turn off HLZ and allow to cool.
1
Allow 30 minutes for the
HLZ to cool.
Do not attempt to remove the
filter screen from a hot HLZ.
30 minutes to prepare 5 minutes to complete
After close For 24-hour restaurants: during low-volume times
McD All Purpose
Super Concentrate
(APSC) solution
Bucket, clean and
sanitized towels
Bucket, soiled towels
Reinstall filter screen.
5
Slip the wire guides on the
bottom of the screen into the
slots on the tower.
Remove filter screen.
2
Lift the screen up and away
from the tower.
Clean filter screen.
3
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
Wipe filter screen with clean,
4
sanitized towel.
Wipe the filter screen with a
fresh clean, sanitized towel.
Monthly PR 10 M1
©McDonald’s Corporation · Planned Maintenance Manual · Revised July 2007 Page 1 of 1
Calibrate HLZ Semi-annual PR 10 S1
Why
To ensure correct holding temperature and accuracy of computer controls
Frymaster Heated Landing Zone (HLZ) Models HLZ18, HLZ22
Time required
Time of day
Hazard icons
Tools and supplies
Pyrometer with dual
male connectors
Procedure
Make sure HLZ is clean and at
1
proper operating temperature.
Make sure the HLZ is clean
and has been turned on for at
least 20 minutes. The display
should read “REdY”.
20 minutes to prepare 10 minutes to complete
During low-volume times For 24-hour restaurants: During low-volume times
4
Plug pyrometer connector into
“PLATE” receptacle on HLZ.
Plug pyrometer connector into
2
“AIR” receptacle on HLZ.
The HLZ is hot.
Read and compare air
3
temperatures.
Wait 3 minutes for the pyrometer readout to stabilize.
Press the heater temperature
switch once to display the
HLZ air temperature readout.
Compare the two temperature
readings. If the two temperatures are more than 15°F
(9°C) apart, contact your
Factory-Authorized Service
Center.
Read and compare plate
5
temperatures.
Wait 3 minutes for the pyrometer readout to stabilize.
Press the heater temperature
switch once to display the
HLZ plate temperature readout.
Compare the two temperature
readings. If the two temperatures are more than 10°F
(5°C) apart, contact your
Factory-Authorized Service
Center.
Semi-annual PR 10 S1
©McDonald’s Corporation · Planned Maintenance Manual · Revised July 2007 Page 1 of 1
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