Mclane 20" - MOWER OPERATION; Cutting Height Adjustment; Rear Axle Position Adjustment

OPERATION
CUTTING HEIGHT ADJUSTMENT
The cutting height is adjustable from 1/4" x 1-1/2"oThe front
wheel assembly bar may be moved in 3-hofes on the side.
panels to adjust the height,, (Refer to FtGo13) The two top
cutting height adjustment holes, A & B are used for all
height adjustments except for the 1-1/2" height. Hole C is
only used for the 1-1/2"' adjustment..
The mower is shipped with axle in the middle position and
the cutting heights listed above are achieved with the axle
in this position_ The rear axle must be lowered to the high
position (Fig,, 14) to achieve the 1-1/2" cutting heighL
REAR AXLE ADJUSTING INSTRUCTIONS:
1,_Drain the gas and oil from the engine_'n_rn mower so the
front wheels and the engine are resting on the gournd or
work benchtop.
Figure 13
Lift lever as shown (Fig 14) and adjust height by
repositioning notched bracket.
2_
,
Refer to Fig, 14A
A,, Remove chain guard-Noo 20
B, Remove side plate chain-Nor 21
C. Remove clutch drive chain-No/15 and add (2) chain
links°They can be purchased from the factory or
McLane Service Center,, Part Noo5016
D. Remove (8) retainer bolts-No_12
E,_Loosen (8) hanger bolts-No,, 13
Move Axle outward until retainer bolt hole alignswith the
high hole in the side plate. (Fig. '14)
4. Replace and tighten (8) retainer bolts.
5., Tighten (8) hanger bolts,
6o Replace side plate and clutch drive chains_
7, Ref!ll oil and gasoline,
Figure 14
LEVER POSITRON
SCALPINGNotch No_1
Notch No,,2
Notch No. 3
Notch No. 4
Notch No. 4
HEIGHT
A S_ C
1/4" 7/8"
\
7/16" '1" | 2
5/8" 1_1!8" (_-_'1_
1-1/16" 1-3/16" _k._t,,%'_._"_
1-1/2"
NOTE:
When using A or B hole in the side panel (Fig.13) the
notched lever (Fig. 14) must be changed to A or B hole
also. When using the C hole in the side panel, place the
notched adjusting lever in the B hole,,
REAR AXLE ADJUSTING:
The rear axle height positions my be changed by the
mower owner, however,due tothe mechanics involved it is
recommended the procedure be done by an Authorized
McLane Service Center..
3 '11
9. 2
4 7 9
Figure 14A
7