Briggs & Stratton 5900834 ユーザーズマニュアル

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35
Deck Leveling Adjustment
NOTE:  Before adjusting the deck level, the deck lift 
rod timing must be checked and/or adjusted.
 1.  Park the machine on a flat, level surface.  
Disengage the PTO, stop the engine and engage 
the parking brake.  Rear tires must be inflated to 
18 psi (1,24 bar).
 2.  Adjust the mower deck in the 4” (10,2 cm) position.
 3.  Place 2 X 4 blocks under each corner of the 
mower deck with the 3-1/2” sides being vertical.  
Place a 1/4” (0,64 cm) thick spacer on top of the 
rear 2 X 4” blocks.  See Figure 40.
 4.  Adjust the front eyebolts until the chains are tight 
and the deck is still resting on the 2 X 4’s.  Tighten 
the jam nuts.  See Figure 41.
 5.  Loosen the nuts and allow the rear of the deck to 
rest on the 2 X 4’s and 1/4” spacers.  Slide the 
chains down in the slots until the chains are tight 
and tighten the nuts.  See Figure 41.
 6.  Remove all 2 X 4 blocks and spacers from under 
the mower.
 7.  See Figure 42.  Position the outside mower blades 
so they face front-to-back.
 8.  Measure from the front tip of the blade from the 
cutting edge to the ground.  Measure from the 
rear tip of the blade from the cutting edge to the 
ground.  Repeat this process for the other side of 
the machine.
 
•  The front measurement should be 4” (10,2 cm);
 
•  The back measurement should be 4-1/4” (11,43 
cm).
Deck Lift Assist Spring
The deck lift assist springs (A, Figure 43) are factory 
set to provide optimal lifting performance.
Although it is fastened with a multi-position anchor, 
this is NOT AN ADJUSTMENT POINT.
Do NOT attempt to adjust the spring length or lifting 
performance will be compromised.
CAUTION
Avoid injury! Mower blades are sharp.
Always wear gloves when handling blades or 
working near blades.
A
A
A
Figure 42.  Checking the Blade Height Adjustment
Figure 40.  2 X 4 Locations
A. 1/4 Spacers
A
Figure 41.  Hanger Chain Adjustment
A. Front Adjustment Point
B. Rear Adjustment Point
Figure 43.  Deck Lift Assist Springs Location
A. Deck Lift Assist Springs
B
A
A
Regular Maintenance
Not 
for  
Reproduction