Jacobsen SXG323, Service Manual

Page: 135 / 230

SERVICE MANUAL FOR SXG323&326
134
6) Inspection of the brushes
• Measure brush length in the middle.
• Correct the contact surfaces of the brushes on
the sandpaper wrapped around the commutator.
7) Inspection of brush spring tension
• Measure spring tension with a spring balance
and read the balance at the moment when the
spring is about to leave the brush.
8) Inspection of the brush holder
• Inspect for insulation across positive (+) side and
negative (-) side of the brush holder. If there is
no continuity, the brush holder is normal.
9) Inspection of the clutch
• Inspect the gear for wear and damage.
• Make sure that the gear locks when turned in
diving direction and turns smoothly in the re-
verse direction.
• There should be no hitching when the bearing is
turned manually by applying some force to it
with fingers.
• It should not make abnormal noises when turned
abruptly.
11) Replacement of the bearing
• Remove the bearing or install it as illustrated.
Standard value
15.0 mm
Usable limit
10.0 mm
Fig. 13- 28
Fig. 13- 26
Fig. 13- 27
Standard value
1785-2415 gr
Usable limit
1200 gr
Fig. 13- 29
Fig. 13- 30
Fig. 13- 31