ASWP14 Stumper Operation
4.0 Mandatory Information / Work Practices
The following are the general mandatory requirements for an arborist when working with a
stumper to remove tree stumps.
Operators shall wear appropriate Personal Protective Equipment (PPE)
Only Qualified personnel may operate a stumper
Routine inspection and maintenance shall be completed as per the manufacturer's
instruction
Do not wear jewelry or clothing that may or could become entangled in moving parts
Secure long hair so that it does not become entangled in moving parts
Never work near or on cutter wheel unless Lockout procedures have been followed
Everyone must be clear of secure work area during operation (refer to Figure 2)
Ensure locates have been obtained
Inspect stumper prior to use
Ensure all guards and protective devices are operational and in place prior to operation
Ensure manufacturer's instructions are readily available and have been understood by
the operator
Transport the stumper as per manufacturer's instructions
5.0 Work Practice
The following information will provide general information that is required when working with a
stumper to remove tree stumps.
Note: Refer to owner / operator manuals for specific stumper operation / maintenance.
5.1 Pre-operational Checks
Step Action
Inspect stumper • Inspect as per the manufacturer's
instructions
• Ensure guards and shields are in place
and operational
• Ensure the manufacturer's instructions
are available
Inspect cutter wheel • Inspect for damaged or missing teeth
Secure work site • Secure work site with traffic control
devices and pedestrian barriers as per
OntarioTraffic Manual Book 7
Page 126
