MAYCO MG-30 PUMP — PARTS & OPERATION MANUAL — REV. #1 (03/12/03) — PAGE 49
MG-30 PUMP — MAINTENANCE (MIXER)
Clutch Adjustment Mechanical 12 CF Mixer
If the rotating mixing paddles appear to be losing rotational speed,
it may be necessary to adjust the clutch. For optimum
performance Multiquip recommends 35-55 lbs. applied pressure
to the hand clutch lever. After the first initial operating hours (8)
check the clutch for proper engagement pressure.
Clutch Adjustment Procedure
CAUTION:
ALWAYS
stop the engine before attempting
this procedure.
1.
To gain access to the " Gear Reduction Compartment"
remove the four 9/16-inch hex head bolts that secure the
hood to the engine and remove engine hood.
2.
Drain the clutch compartment oil (Figure 19) by removing
the magnetic 3/8 plug located at the bottom of the Gear
Reduction Assembly.
The Gear Reduction Compartment
consist of two compartments, a lower
and upper. The
lower
compartment
houses the clutch, the
uppe
r
compartment contains the actual gear reduction. Remember
each compartment requires a different type of lubricating oil.
If the clutch cannot be adjusted, it may
be necessary to inspect or replace the
clutch.
C. When the clutch has been satisfactorily adjusted reinstall
the
adjustment lock
P/N EM 934040 and tighten lock bolt.
D. Reinstall the
clutch Inspection door
using the six 1/2-
inch cap screws and lock washers, and also check that the
gasket is not worn or broken.
E. When the clutch has been satisfactorily adjusted reinstall
the
adjustment lock
P/N EM 934040 and tighten lock bolt.
F. Remove the 3/8-inch square head pipe plug located on
the lower clutch compartment. Refill the clutch
compartment with 2-1/4 quarts of SAE 30 motor oil to the
level of the plug. When done reinstall plug.
G. Start engine, check for proper clutch engagement and
inspect for any oil leaks.
Figure 49. Clutch Adjustment Lock Location
Any questions regarding the above
procedure please contact the
Multiquip Service Department.
3.
To gain access to the "
clutch Inspection door
" remove
the six 1/2-inch cap screws (Figure 48 )and lock washers
that secure the clutch inspection door. Remove door and
gasket.
Figure 48. Clutch Inspection Door
4.
Check that the clutch is disengaged by pulling the shifter
lever towards the engine end of the mixer.
5.
Refer to Figure 48 for steps 5A through 5F:
A. Rotate the clutch using the recoil starter until the
adjustment
lock
(Figure 49) P/N EM934040 is visible.
Using a flat blade screwdriver loosen the adjustment bolt
just enough to release the adjustment lock.
B. Using a punch, rotate the
adjusting ring
P/N EM 934045
one notch at a time in the counter-clockwise direction until
a firm 35 to 55 lbs. pressure is felt when engaging the
clutch lever (the lever should snap into the engaged
position).
NOTE
NOTE
NOTE
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