Akai AP-002

CONDITION
Automatic mech-
anism does not
function.
EXPLANATION
1. Unstable return
26
SOURCE AND SYMPTOM
PLATE-PU-ASSY (10) installation loose
Are the two installation screws (26) per-
fectly tight?
PLATE-PU-ASSY coil spring (27) has come
off.
Are both ends of the spring fastened to
hook aperture?
Faulty PLATE-PU-ASSY (10)
Is coil spring (27) having any effect?
Is it too loose or bent?
Is operation smooth?
Where the two plates are hinged together?
Mutual relativity of PLATE-PU-ASSY (10) and
AUTO LEVER (9) unsuitable
Is installment position of PLATE-PU-ASSY
correct?
Is there proper loose play where PLATE-
PU-ASSY and AUTO LEVER are linked?
AUTO LEVER (9) FAULTY ;
Irregular noise when PU ARM is moved
(rubbing noise)
Is it bent?
No loose play at all where PLATE-PU-
ASSY (10) is linked or too much loose
play.
5/32" STEEL BALL (17) is out of place
Is the STEEL BALL (28) between AUTO
LEVER (9) and HOLDER BALL (8) in
place?
TRIP (5) Faulty
Movement is not smooth when PU ARM
is moved lightly toward inner circumference,
Is it bent, warped, or does it have uneven
edges?
Check especially for misshapen skirt part
and check condition of tip part.
Faulty CLUTCH ASSY (4). (insufficient kick-
back volume)
Is it bent, warped, or misshapen?
Are there uneven edges at parts influenced
by operating function?
TRIP (5) and CLUTCH ASSY (4) relativity
unsuitable
When PU ARM is moved lightly toward
inner circumference does CLUTCH ASSY
COUNTERMEASURE
Tighten installation screw
(26).
Fasten coil spring (27).
Replace PLATE-PU-ASSY
(10).
Adjust PLATE-PU-ASSY
(10) according to installa-
tion regulations. :
Replace AUTO-LEVER (9).
If 5/32" STEEL BALL (17)
has come out, reinsert.
Replace TRIP (5).
Adjust to specified kick-
back volume (0.6) or re-
place.
Replace both TRIP (5) and
CLUTCH (4).
tide on TRIP and move together?
Is movement smooth?
Se RENO Lee NS CORRE TE