McCulloch MC621 - User Manual

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MC621ES

MC621ES

Owner's Manual

443949 06.05.11 TH Printed in the U.S.A.

Gasoline containing up to 10% ethanol (E10) is acceptable for use in this machine.

The use of any gasoline exceeding 10% ethanol (E10) will void the product warranty.

Questions and Answers

M
Melinda MurraySep 12, 2025
What causes excessive vibration in McCulloch MC621?
- A
  Adam VelasquezSep 12, 2025
  If your McCulloch Snow Blower has excessive vibration or handle movement, check the following: * Loose parts or damaged augers or impeller. Tighten all fasteners and replace any damaged parts. If vibration persists, contact an authorized service center/department. * Handles not positioned correctly. Ensure handles are locked into position. * Adjustment lever nuts are loose. Tighten the nuts until the handle feels secure.
C
christopher07Sep 14, 2025
How to fix rotator hard to move on McCulloch MC621 Snow Blower?
- W
  williamdavisSep 14, 2025
  If the rotator on your McCulloch Snow Blower is hard to move, it could be due to: * Debris in the chute rotator mechanism. Clean the internal parts of the chute rotator mechanism. * Kinked or damaged cables. Ensure cables are not kinked and replace any damaged cables.
A
Amanda FletcherSep 16, 2025
What to do if lights not on on McCulloch MC621?
- T
  teresa66Sep 16, 2025
  If the lights on your McCulloch Snow Blower are not working (if equipped), check the following: * Ensure the motor is running; start the engine. * Check wire connections at the engine and both lights to ensure they are not loose. * If the LED is burnt out, replace the LED light module, as individual LEDs are not replaceable.

McCulloch MC621 Specifications

General

Engine Displacement	208 cc
Type	Two Stage
Clearing Width	21 inches
Engine Type	Gas
Throw Distance	30 feet
Starter Type	Recoil

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