Maxi Comet Executive Exec-56-G, Instruction Manual

Page: 98 / 244

Troubleshooting Comet Executive Gas
6-6
WARNING
Only trained personnel with experience
in gas, electrical or mechanical repair
should troubleshoot and repair the unit.
Troubleshooting
WARNING
Read the REPAIR chapter and make
sure that the power is disconnected
before doing any repairs.
6.2 Mechanical System
ISSUE POSSIBLE CAUSE SOLUTION
Noisy Operation
1. Mechanical components
need lubrication.
• Lubricate. Refer to Grease “Weekly”
Bearings on page 4-8 , Grease Bear-
ings on page 4-14 , and/or Oil Drive
Chain and Tension Springs on page
4-14 .
• Replace any bearing that does not
operate smoothly and quietly after being
lubricated.
2. Drive chain is loose. • Adjust tension. Refer to Drive Chain
Tension Adjustment on page 7-23 .
3. Sprockets are loose, worn,
or misaligned, or the drive
chain has excessive play.
• Inspect the sprockets and the drive
chain. Repair/replace as necessary.
4. Howling and whistling occur
when the burner is on.
• Clean the burner tips. Refer to Burner
Tip Maintenance on page 7-32 .
5. Burner tail pipe clearance is
insufficient.
• Check the burner tail pipe clearance
inside hollow drive shaft of ironing
cylinder. Reposition tail pipe holder, if
necessary.
6. Inverter frequency setting is
causing noisy motor opera-
tion.
• Adjust frequency. For more information,
contact the factory Service Department.
7. Drive train system error. • Refer to
Drive System Mechanical or
Electrical Error on page 6-8 .
Ribbons Do Not Track Straight
1. Ribbon tension needs to be
adjusted.
• Adjust/Replace. Refer to REPAIR and
the appropriate section for the specific
procedure.
2. Ribbons are broken or
missing.
• Replace. Refer to REPAIR and the ap-
propriate section for specific procedure.
3. Roll friction material is
worn smooth.
• Replace. Refer to REPAIR and the ap-
propriate section for specific procedure.
TOC INDEX