STOW PORTO MIXER — PARTS & OPERATION MANUAL — REV. #0 (08/08/03) — PAGE 25
STOW PORTO MIXER— MAINTENANCE
Maintenance
Gearbox Oil Check
1. Position the mixer on a level surface and place a
support block
under the front of the mixer frame as shown in Figure 29. This
will level the mixer.
2.
NEVER! check the gearbox oil level with the mixer tilted up or
down.
ALWAYS check the gearbox oil level with the mixer in a
level position.
Figure 29. Mixer Positioning (Gearbox Oil Level)
5. Insert oil filler plug and tighten.
Figure 30. Gearbox Oil Level Check
Gerarbox Removal
1. Remove drum by turning counter-clockwise to release from
gearbox shaft.
2. Remove pulley, remember the nut securing the pulley is
left-hand threaded. Remove circlip, and draw out shaft.
3. Remove the 5 bolts securing rear plate.
4. Reassemble in reverse order, taking care to ensure gear teeth
are meshed correctly.
V-Belt Check
1. To adjust V-belts, remove V-belt cover and loosen the main
motor mount bolts (Figure 31), raise electric motor and
retighten bolts. Belt tension should be adjusted so that the
maximum deflection is approximately 3/8 inch (10 mm).
2. Replace V-belt cover.
CAUTION :
Check the gearbox oil level
monthly before
operating mixer. Low oil level or no oil will
severely damage gearbox.
3. Before inspecting the gearbox oil level, make sure the gearbox
is cold before removing the filler plug. Hot! oil can burn skin and
cause injury. Let oil
cool before checking.
4. Remove gearbox oil filler plug (Figure 30) and fill with EP90 or
similar gear oil to the level of the filler plug. Replace gearbox oil
every 3,000 hours. Gerabox oil capacity is
8-10 ounces.
Figure 31. V-belt Adjustment
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