Blade Plane Inspection and Adjustment
If a solid object is struck by the cutting deck, the blade
plane of the deck should be inspected.
6. Determine if one or both (RH and LH) height--of--cut
brackets need to be adjusted. If the 3 or 9 o’clock side
is .150 + .090 inch (3.8 + 2.3 mm) higher than the new
front height, then no adjustment is needed for that side.
Adjust other side (if needed) to within + .090 inch (+ 2.3
mm) of correct side.
Blade Plane Inspection
1.
Remove cutting unit to be inspected (see Cutting
Unit Operator’s Manual).
7.
peating steps 1 thru 3.
Adjust right and/or left height--of--cut brackets by re-
2.
ting deck on flat table.
Use hoist (or minimum of two people) and place cut-
8.
carriage bolts and flange nuts.
Secure right and/or left height--of--cut brackets with
3.
this end of blade to check all heights.
Mark one end of blade with paint pen or marker. Use
9.
Verify 12, 3, and 9 o’clock heights.
4.
Position cutting edge of marked end of blade at 12
o’clock(straightaheadindirectionofmowing).Measure
height from table to cutting edge of blade.
10.Reinstall
Manual).
cutting unit (see Cutting Unit Operator’s
5.
Rotate marked end of blade to the 3 and 9 o’clock
positions and measure heights.
FRONT OF DECK
12
o’clock
6.
Compare 12 o’clock measured height to the height--
of--cut setting. It should be within .090 inch (2.3 mm).
The 3 and 9 o’clock heights should be .150 + .090 inch
(3.8
+ 2.3 mm) higher than the 12 o’clock setting and
within .090 inch (2.3 mm) of each other. If any of these
measurements are not within specification, proceed to
Adjusting Blade Plane.
9
o’clock
3 o’clock
Adjusting Blade Plane
Start with front bracket adjustment and change one
height--of--cut bracket at a time.
1.
from deck frame.
Remove height--of--cut bracket (front, left, or right)
6
REAR OF DECK
o’clock
2.
shims between the deck frame and bracket to achieve
the desired blade height setting.
Position .060 inch (1.5 mm) and/or .030 inch (.8 mm)
Figure 1
3.
maining shims assembled below the height--of--cut
bracket.
Install height--of--cut bracket to deck frame with re-
1
NOTE: Socket head bolt and spacer for front bracket
are held together with Loctite to prevent spacer from fal-
ling inside the deck frame.
4.
with socket head bolt/spacer and flange nut.
Secure front height--of--cut bracket to deck frame
2
5.
Verify 12 o’clock height. Re--adjust if needed.
Figure 2
1.
Height--of--cut bracket
2. Shims
Cutting Units (Rev. B)
Page 8 -- 6
Groundsmaster 4500--D/4700--D
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| Language | English |
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