Bolens 131-410A - Manual (Page 16)

CLUTCH ROD ADJUSTMENT
1. With the engine off, reiease the clutch lock.
2. There should be 1/2" of space between the
end of slot and clutch lock button.
3. If there is not, remove the hairpin cotter from
the ferrule. Remove the flat washer and pull
the ferrule out of the variable speed pulley.
Thread ferrule in or out on the clutch rod as
necessary. Reassemble and check for correct
adjustment. See figures 27 and 28.
FIGURE 28.
BRAKE ADJUSTMENTS (See figure 29)
During normal operation of this machine, the
brakes are subject to wear and will require
periodic examination and adjustment.
The brake is located by the right rear wheel Inside
the frame.
To adjust the brake, remove the cotter pin. Tighten
the castle nut one-quarter turn. Replace the cotter
pin and test the brake.
NOTE
Deck was removed for photograph­
ing.
LUBRICATION
1.
IMPORTANT
Always stop engine and disconnect
spark plug wire before cleaning,
lubricating or doing any kind of
work on lawn mower.
Engine. Maintain the engine oil according
the engine manual.
to
engine manual.
2. Bearings. The following bearings are oil im­
pregnated and do not require lubrication.
However, their normal life can be extended by
lubricating them once a season with a light,
non-detergent oil. A 4 oz. plastic bottle of light
oil lubricant is available. Order part number
737-0170. Engine oil may also be used.
a. King Pin Bearings (total 4 bearings)
b. Rear Axle Bearings (total 3 bearings)
c. Front Wheel Bearings (total 4 bearings)
3. Throttle Control and Cable. Wipe oiled rag
along entire length of cable.
4. Chain. Periodically lubricate chain lightly with
oil. Wipe off excess oil, especially on the
sprocket. Do not get oil on the disc brake. See
figure 29.
FIGURE 29.
NOTE
Under extremely dusty conditions,
do not oil the chain.
5. Linkage. Oil all deck linkage and height ad­
justment linkage.
6. Transmission. It is lubricated at the factory
and does not require checking. Lubricate with
4 oz. of Lubriplate No. 310 if disassembled.
7. Differential. It is lubricated at the factory and
does not require checking. Lubricate with 2
oz. of 450°F. High Temp, grease if disassem­
bled. If ordered from the factory, use Part No.
737-0120.
8. Variable Speed Pulley. Apply dry lubricant be­
tween the variable speed bracket and the
frame at least once a season.
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