Hammond Model A, Руководство пользователя, Страница: 268 / 298

THE FOLLOWING INFORMATION PERTAINS SPECIFICALLY TO THE
MODELS B-3 AND C-3. HOWEVER DUE TO THE SIMILARITY OF THE
CONSOLES, MUCH OF THE INFORMATION CAN BE APPLIED TO ALL OTHER MODELS.
SECTION 1 of the original manual was a General Description overview already covered in the 2016
edition and has been intentionally omitted.
PRE-REPAIR PROCEDURES
2-1. POWER REQUIREMENTS.
2-2. POWER SOURCE. For operation, operational tests, and repair procedures, the
Model C-3 Hammond Organ requires connection to a standard 6O-cycle, 117-volt (or 50
cycle, 234-volt) power source.
2-3. INSPECTING, STRIPPING, CLEANING, AND LUBRICATING.
2-4. OVERALL INSPECTION.
2-5. Rotate all controls and operate all switches. Pull out all drawbars. Operation
should be smooth. Toggles should snap firmly into position. Depress the playing
keys; check for proper tension in each case and for cracks and chips. Check the
operation of the locking and trip mechanism by striking each preset and adjust
key in turn
. Be sure that the cancel key releases the associated preset or adjust
key on each manual.
2-6. Check the mounting of the reverberation spring system assembly in the tone
cabinet. Determine that the locking lever is in its unlocked position; if it is not,
unlock as indicated on instruction card on tone cabinet.
2-7. Insert all connector plugs into their receptacles. Plug should seat firmly and
must make good contact. Inspect all connector plug for loose prongs or pins. Examine
all cords and cables for frayed insulation and defective wiring. Check for kinks,
bends, or twists.
2-8. Inspect all parts and wiring for rust, corrosion, loose connections, frayed or
burned insulation, loose mounting screws and bolts, and burned resistors and coils.
Check and tighten all mechanical fasteners, such as screws and bolts. Make a
thorough inspection of all tube sockets for broken contacts. Examine all switches
for loose or bent contacts and for broken insulation. Inspect spring for proper
tension. Be sure that each end of each spring is properly attached to the associated
parts. Inspect for any broken parts, evidence of excessive heating and overloading,
as indicated by burned resist on or melted wax. Look and smell for these latter
troubles.
2-9. Examine all terminal strips, boards, and panels for defective wiring, broken
lugs, loose contacts, and signs of burning. Be sure that all screws on the preset
panel are securely tightened in position and that all leads are held firmly in
place.
2-10. Push down and raise the swell pedal and note the action of the crank and hinge
assembly. Tighten mounting screws where necessary.
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