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SPEED REDUCER UNIT
The speed reducer unit is of a constant-mesh type and totally
enclosed, with all gears running in oil. CHECK THE OIL LEVEL
EVERY WEEK.
The speed reducer should be completely drained every 6 months.
Refill with a good grade of S.A.E. 30 Oil. CAUTION: KEEP OIL
AT THE PROPER LEVEL. Too much oil will cause overheating
and too little oil will cause gear failure. When the adding of oil to
the speed reducer is required. Reference the " Speed Reducer
Oil Check " section on page 38.
LUBRICATION PANEL
Located on the side of the pump is a lubrication panel (Figure 51).
Grease all ports daily with two to three shots of #2 multi-purpose
automotive grease. Over-greasing any bearing will not damage
the machine.
MAINTENANCE
1
2
3
4
5
6
7
8
9
1
Cam Rocker Arm Bushings
2
Gear Box Block (Back)
3
Cam Rocker Arm Roller
4
Connecting Rod. (Up)
5
Cam Rocker Arm
(Bearing Housing)
LUBRICATION
1
2
5
6
7
8
Figure 51. Lubrication Panel
PAGE 52 — MAYCO MG-30 PUMP — PARTS & OPERATION MANUAL — REV. #1 (03/12/03)
GREASE DAILY,
EVERY ZERK
Use: No. 2 Multipurpose
Automotive Grease
6
Gear Box Block (Front)
7
Connectings Rod. (Down)
8
Crank Rocker Arm (Bushings)
9
Crank Rocker Arm
(Bearing Housing)
513164
LINES
3
4
9
MG-30 PUMP — MAINTENANCE (PUMP)
BATTERY MAINTENANCE
Mishandling of the battery shortens the service life of the battery
and adds to maintenance cost. When handling the battery do
the following:
Be careful not to let the battery electrolyte come in
contact with your body or clothing.
Always wear eye protection and rubber gloves , since
the battery contains sulfuric acid which burns skin and
eats through clothing.
Always check the battery terminals periodically to
ensure that they are in good condition.
Use wire brush or sand paper to clean the battery
terminals.
Always check battery for cracks or any other
damage. If white pattern appears inside the battery
or paste has accumulated at the bottom, replace
the battery.
If the pump will not be in operation for a long period
of time, store in cool dry place and check the
battery charge level every month to maintain the
performance of the battery.
CAUTION :
Wear safety glasses or face
mask , protective clothes, and
rubber gloves when working
with battery.
Check the battery regularly and make sure that each
electrolyte level is to the bottom of the vent well
(Figure 52). If necessary add only distilled water in a
well-ventilated area.
Figure 52. Battery Electrolyte Levels
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Troubleshooting
