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70276001
Section 6 Adjustments
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
72. CYLINDER BELT
NOTE: Belt tension from step pulley to cylinder
shaft pulley can be measured to ensure proper
installation in one of the following ways:
• Burroughs Belt Tension Gauge initial reading
70-80 pounds.
• Force to deflect belt .38 inch at midspan with
initial tensioning 6.5 pounds.
• Burroughs Belt Tension Gauge reading after run
55-65 pounds.
a. Support drive guard cover and remove screws
that hold guard to rear of tumbler. Refer to
Figure 11.
b. Loosen the four jackshaft assembly attaching
screws. Refer to Figure 26.
c. Loosen adjusting nuts on outer eyebolt and
rotate bottom nut clockwise until proper
tension is reached. Refer to Figure 13.
d. Retighten all nuts and screws.
e. Readjust drive belt.
Figure 25
TMB1986P
Motor
Bracket
Pivot Screw
Motor
Mounting
Bracket
Adjusting
Tube
Adjusting
Nuts
Side
Bracket
Summary of Contents for D55
Page 1: ...D55 SERVICE MANUAL INDUSTRIAL DRYERS PUBLICATION DATE 10 03 70276001 ...
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Page 10: ...8 70276001 Section 2 Introduction Notes ...
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