briggs--stratton 5900768 用户手册

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页码 48
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www.simplicitymfg.com | www.snapper.com
Operation
Proper Cutting Height
Incremental Cutting
Cut Here On 
First Pass
Cut 
Here On 
Second 
Pass
Mowing Recommendations
Several factors can affect how well your machine cuts 
grass, Following proper mowing recommendations 
can improve the performance and life of your 
machine. 
Height of Grass
Often cutting height is a matter of personal 
preference. Typically, you should mow the grass when 
it is is between three and five inches high. The proper 
cutting height range for a specific lawn will depend 
upon several factors, including the type of grass, the 
amount of rainfall, the prevailing temperature, and the 
lawn’s overall condition. 
Cutting the grass too short causes weak, thin grass 
plants, which are easily damaged by dry periods and 
pests. Cutting too short is often more damaging than 
allowing the grass to be slightly higher. 
Letting grass grow a bit longer—especially when it 
is hot and dry—reduces heat build-up, preserves 
needed moisture and protects the grass from heat 
damage and other problems. However, allowing grass 
to grow too high can cause thin turf and additional 
problems. 
Cutting off too much at one time shocks the plant’s 
growth system and weakens the grass plants. A good 
rule of thumb is the 1/3 rule: to cut no more than 
one third of the grass height, and never more than 
1 inch at a time. 
The amount of grass you are able to cut in one pass 
is also effected by the type of mowing system you are 
using (for example, broadcasting with side discharge 
decks can process a much larger volume of grass 
than mulching does). 
Tall Grass Requires Incremental Cutting
For extremely tall grass, set the cutting height at 
maximum for the first pass, and then reset it to the 
desired height and mow a second or third time.
Don’t cover the grass surface with a heavy layer of 
clippings. Consider using a grass collection system 
and starting a compost pile.
Mowing
Before mowing, set the cutting height as described in 
the Troubleshooting, Adjustments & Service section.
 1.  Engage the parking brake.  Make sure the PTO 
switch is disengaged and the motion control lever 
is in the NEUTRAL position.
 2.  Start the engine (see STARTING THE ENGINE).
 3.  Set the throttle to FULL.
 4.  Engage the PTO by pulling up on the PTO switch.
 5.  Begin mowing.  See Mowing Recommendations 
section for tips on mowing patterns and lawn care.  
See Troubleshooting section for information on 
trouble shooting common cutting problems.
 6.  When finished, shut off the PTO.
 7.  Stop the engine (see STOPPING THE TRACTOR 
AND ENGINE).
Not 
for  
Reproduction