Alamo MACHETE Product Service Manual page 101

MOTOR P/N 02967193 - DISASSEMBLY
End Cover
(Standard End
Cover Shown)
Gasket
Bearing Shim
Bearing Cup
Valve Plate
Bearing Plate
Motor
Housing
FIGURE 57
END COVER DIS-ASSEMBLY: (Figure 57)
(On Standard Motor or Integral Shuttle & Low Pressure Relief Valve End Cover)
1. There are two different End Covers for this Motor, The Same procedure to remove the either
the Standard End Cover or Integral Shuttle with Low Pressure Relief Valve End Cover from the
Motor is the same. Check which one you have, See Figure 57 or Figure 56.
2. Remove 6 of the 8 Hex Bolts from End Cover (leave 1 tight at each end of cover), USE
CAUTION, Internal Parts are Spring Loaded. To avoid internal Part Damage Slowly (Alter-
nately) from one bolt to the other loosen the remaining 2 Bolts, Holding Pressure down on End
Cover Slowly remove the other 2 bolts. KEEP PRESSURE on End Cover.
3. With pressure on End Cover start to release pressure and End Cover should start to rise, If it
doesn't rise, Keep your hand on it and tap it with a hammer lightly to loosen it up from housing.
Let End Cover rise till there is no Pressure pushing up. Remove End Cover.
4. Carefully remove Gasket and two End Cover Dowel Pins, DON'T drop any parts (See Valve
Plate Above Comment), Valve Plate, Bearing Cup or Shims which May or May Not stick to End
Cover.
Machete (Service Manual) 04/04
© 2004 Alamo Group Inc.
8 Bolts
FIGURE 58
Dowel Pins
VALVE PLATES: Helpful Hint!
Bearing Cone
and Motor Valve Plates for comparison,
Pump Valve Plate (Left) has two Meter-
Work
ing Slots and is Directional (Which is
Bench Clockwise). The Motor Valve Plate (Right)
is bi-directional and has four Metering
Slots, (Which allows for Clockwise or
Counter Clockwise Rotation). Make sure
correct Valve Plate is installed in Motor or
Pump. HANDLE VALVE PLATES &
BEARING PLATES with extreme care.
Both Plates are lapped to extremely close
tolerances for flatness.
101
Input
Rotation Rotation
Metering
Slots
Pump
Shown above (Figure 58) is Pump
Motor