

Turn manuals into instant answers
with your AI-powered assistantTurn manuals into instant answers
with your AI-powered assistant
Get instant access to all the maintenance information you need. Empower technicians to perform preventive maintenance with asset packages, ready to use right out of the box.
Find all the essential guides in one place.
Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more
Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
+ 29 more
Integrate maintenance plans directly into your work orders.
Motion Industries
Applied Industrial Technologies
Electrical Brothers
+ 5 more
Access the parts list for your equipment in MaintainX.
Drive Motor
B2 Rollers
Tensioning System
+ 40 more

Carrier HVAC Unit 48TFE008
Create an account to install this asset package.
Integrate maintenance plans directly into your work orders in MaintainX.
Flue Gas Passageway Inspection
Remove the combustion blower wheel and motor assembly
Remove the flue cover to inspect the heat exchanger
Clean all surfaces as required using a wire brush
Evaporator-Fan Speed Adjustment
Preparation
Shut off unit power supply and install lockout tag
Adjust Fan Speed
Loosen belt by loosening fan motor mounting plate nuts
Loosen movable pulley flange setscrew
Adjust movable flange to change fan speed
Set movable flange at nearest flat of pulley hub and tighten setscrew
Align Fan and Motor Pulleys
Loosen fan pulley setscrews
Combustion-Air Blower Maintenance
Inspection and Cleaning Frequency
Inspect blower wheel every fall and periodically during heating season
Inspect blower wheel bimonthly during the first heating season
Inspect Blower Wheel
Shine a flashlight into draft hood opening to inspect blower wheel
Is cleaning required?
Remove Motor and Wheel for Cleaning
Slide burner access panel out
Remove the 6 screws attaching induced-draft motor housing to vestibule plate
Gas Train Replacement
Shut off manual gas valve
Shut off power to unit and tag disconnect
Slide out burner section side panel
Disconnect gas piping at unit gas valve
Remove wires connected to gas valve and mark each wire
Remove wires from ignitor and sensor wires at the Integrated Gas Unit Controller (IGC)
Remove the 2 screws that attach the burner rack to the vestibule plate
Slide the burner tray out of the unit
Reinstall the components by reversing the procedure outlined above
Gas Train Maintenance
Cleaning and Adjustment
Remove burner rack from unit as described in Removal and Replacement of Gas Train section
Inspect burners for dirt
Remove burners from rack if dirty
Clean burners and cross-over port using a soft brush
Adjust spark gap according to Fig. 54
Reinstall burners on rack
Reinstall burner rack as described in Removal and Replacement of Gas Train section
MaintainX Assist is your expert colleague, on call 24/7, helping your team find the answers they need to keep equipment running.
Reduce Unplanned Downtime
Ensure your team follows consistent procedures to minimize equipment failures and costly delays.
Maximize Asset Availability
Keep your assets running longer and more reliably, with standardized maintenance workflows from OEM manuals.
Lower Maintenance Costs
Turn any technician into an expert to streamline operations, maintain more assets, and reduce overall costs.
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