Stihl RZ 142 Instruction Manual - Page 13

Slope Identification Guide, Safety Interlock System

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Slope Identification Guide 3 How to measure the slope of a lawn surface with a smartphone or an angle finder tool: WARNING To reduce the risk of serious personal injury or death, never operate on slopes greater than 10 degrees. 1. Use a straight edge at least two (2) feet long (A, Figure 3). A 2x4 or a straight piece of metal works well. 2. Angle finder tools: a. Use your smartphone: Many smartphones (B, Figure 3) have an inclinometer (angle finder) located under the compass application (app). Or, search an app store for an inclinometer app. b. Use angle finder tools: Angle finder tools (C and D, Figure 3) are available at local hardware stores or online (also called inclinometer, protractor, angle meter, or angle gauge). Dial type (C) or digital type (D) work, others may not. Read and obey the user instructions supplied with the angle finder tool. 3. Put the two (2) feet long straight edge along the steepest part of the lawn slope. Put the board up and down the slope. 4. Lay the smartphone or angle finder tool on the straight edge and read the angle in degrees. This is the slope of your lawn. Note: A paper gauge slope identification guide is included in your product literature packet. Safety Interlock System WARNING DO NOT operate unit if any safety interlock or safety device is not in place and functioning properly. Contact your authorized STIHL servicing dealer immediately for assistance. DO NOT attempt to defeat, modify, or remove any safety device. Operational SAFETY Checks Test 1 - Engine MUST NOT crank if: • PTO switch is engaged, OR; • Ground speed control levers are not locked in their START/PARK positions. Test 2 - Engine SHOULD crank if: • PTO switch is NOT engaged, AND; • Ground speed control levers are locked in their START/ PARK positions. Test 3 - Engine MUST SHUT OFF if: • Operator rises off seat with PTO engaged, OR; • Operator rises off seat ground speed control levers not locked in their START/PARK positions. Test 4 - Blade Brake Check The mower blades and mower drive belt should come to a complete stop within five (5) seconds after electric PTO switch is turned off (or operator rises off the seat). If mower drive belt does not stop within five (5) seconds, see your authorized STIHL servicing dealer. Note: Once the engine is stopped, the PTO switch must be turned off and the ground speed control levers must be locked in their START/PARK positions in order to start the engine. 13

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13
Slope Identification Guide
3
How to measure the slope of a lawn surface with a
smartphone or an angle finder tool:
WARNING
To reduce the risk of serious personal injury or death, never
operate on slopes greater than 10 degrees.
1.
Use a straight edge at least two (2) feet long (A, Figure
3). A 2x4 or a straight piece of metal works well.
2.
Angle finder tools:
a.
Use your smartphone:
Many smartphones (B,
Figure 3) have an inclinometer (angle finder) located
under the compass application (app). Or, search an
app store for an inclinometer app.
b.
Use angle finder tools:
Angle finder tools (C and
D, Figure 3) are available at local hardware stores
or online (also called inclinometer, protractor, angle
meter, or angle gauge). Dial type (C) or digital type
(D) work, others may not. Read and obey the user
instructions supplied with the angle finder tool.
3.
Put the two (2) feet long straight edge along the steepest
part of the lawn slope. Put the board up and down the
slope.
4.
Lay the smartphone or angle finder tool on the straight
edge and read the angle in degrees. This is the slope of
your lawn.
Note:
A paper gauge slope identification guide is included in
your product literature packet.
Safety Interlock System
WARNING
DO NOT operate unit if any safety interlock or safety
device is not in place and functioning properly. Contact
your authorized STIHL servicing dealer immediately for
assistance. DO NOT attempt to defeat, modify, or remove
any safety device.
Operational SAFETY Checks
Test 1 - Engine MUST NOT crank if:
•
PTO switch is engaged, OR;
•
Ground speed control levers are not locked in their
START/PARK positions.
Test 2 - Engine SHOULD crank if:
•
PTO switch is NOT engaged, AND;
•
Ground speed control levers are locked in their START/
PARK positions.
Test 3 - Engine MUST SHUT OFF if:
•
Operator rises off seat with PTO engaged, OR;
•
Operator rises off seat ground speed control levers not
locked in their START/PARK positions.
Test 4 - Blade Brake Check
The mower blades and mower drive belt should come to
a complete stop within five (5) seconds after electric PTO
switch is turned off (or operator rises off the seat). If mower
drive belt does not stop within five (5) seconds, see your
authorized STIHL servicing dealer.
Note:
Once the engine is stopped, the PTO switch must
be turned off and the ground speed control levers must be
locked in their START/PARK positions in order to start the
engine.