Bagging grass clippings, Handle height adjustment, Cutting height adjustment – MTD Model 588Q User Manual
Page 11: Engine adjustments, Replacing rear flap

11
Bagging Grass Clippings
You can use the grass catcher bag to collect clippings 
while you are operating the mower. 
•
Attach grass catcher following instructions on page 
8 of this manual. Grass clippings will automatically 
collect in the bag as you run the mower. 
•
Operate the mower till the grass bag is full.
•
Stop engine completely by releasing the blade 
control handle. Make sure that the unit has come to 
a complete stop. 
•
Lift discharge door and pull grass bag up and away 
from the mower to dispose of the grass clippings.
SECTION 6: SERVICE & ADJUSTMENTS
WARNING:
Do not at any time make any
adjustments without first stopping engine and 
disconnecting spark plug wire.
Handle Height Adjustment
Your mower is shipped with the handle in the higher 
height position. To lower the height proceed as follows:
•
Remove the starter rope from the rope guide.
•
Remove the upper handle by removing the hand 
knobs and carriage bolts. Lay the upper handle out 
of the way, being careful not to bend or kink the 
cables.
•
Remove the hairpin clips from the weld pins on the 
handle brackets and remove the wing nuts and 
carriage bolts from the upper hole on the handle 
mounting bracket. Press out on the legs of the 
lower handle and remove lower handle from the 
mower.
•
Turn lower handle around so the notch on the 
bottom of the lower handle is facing forward.
See Figure 12.
Figure 12
•
Reassemble, placing the bottom holes in the 
handle over the weld pins in the handle mounting 
bracket. 
•
Place the hairpin clips in the inner holes in the weld 
pins and insert the carriage bolts the upper hole on 
the handle mounting bracket and secure with 
plastic wing nuts. Repeat on the other side.
•
Reassemble the upper handle to the lower handle.
•
Attach the starter rope as instructed in the 
Assembly Section. 
Cutting Height Adjustment
IMPORTANT:
All wheels must be placed in the same
relative position.
•
For rough or uneven lawns, move the height 
adjustment lever to a higher position. This will help 
stop scalping of the grass.
An adjusting plate and thumb lever at each wheel 
position provides cutting height adjustment. Each 
adjusting plate has nine height positions. Height of cut 
will change when you move the thumb lever from one 
position to another. 
•
Simply depress the lever towards the wheel and 
move the lever assembly to desired position. See 
Figure 13.
Figure 13
Engine Adjustments
Refer to the engine manual for these adjustments.
Replacing Rear Flap
•
To remove rear flap, cut off the flat end of the wire 
rod which secures it to the deck. See Figure 14. 
WARNING:
If the mower strikes a foreign
object, stop the engine. Remove spark plug 
wire from the spark plug and thoroughly inspect 
for any damage. Repair the damage promptly 
before restarting and operating the mower. 
Notch
Lower Handle
Height Adjustment
Lever
