Adjustment Of The Spring Balancer; Maintenance - EFA 85 Betriebsanleitung

4.5 Adjustment of the spring bal-
ancer
The fine adjustment of the spring balancer is effect-
ed via the PLUS/MINUS screw on its housing (see
Fig. 10).
Figure 10: Spring balancer
Turn the screw in MINUS direction until the saw
is hanging freely in equilibrium (with the spring
balancer) at working height.
Malfunction
Motor does not start
Motor is loud when
switched on
Saw blade does not run
Saw blade runs on too long
> 3 sec
Saw blade does not run
smoothly (wobbles)
Saw blade rotates in wrong
direction, despite correct
installation
Schmid & Wezel
D 75433 Maulbronn
Table 5: Troubleshooting
Possible cause
1. Saw not correctly connected
2. Winding (1) of the motor burned out
3. Switch (23) defective
4. Connecting lead (34) broken
5. See under point 1
6. See under point 3
7. See under point 4
8. Gearbox (46) defective or jammed
9. Bearings (42 / 45) defective
10. Brake defective
11. Friction lining worn (15)
12. Nut (21) loose
13. Washer (14) worn
14. Bearings (42 / 45) defective
15. Saw blade not mounted on center-
ing device (43)
16. Rotary field of main field
right / left reversed
Seite/ Page
19/ 31
If the saw cannot be pulled out, the spring balancer
is jammed and a readjustment is necessary:
Turn the bolt in direction PLUS until the spring
balancer can be pulled out, then start the fine
adjustment (see above).

5. Maintenance

Malfunctions may occur during operation, but these
are generally relatively simple to remedy. Table 5:
Troubleshooting lists these malfunctions with possi-
ble causes and resulting potential remedies.
Check connecting lead (34), con-
nect correctly, if necessary
Replace motor (1)
Check switch and replace, if neces-
sary
Replace connecting lead
See under point 1
See under point 3
See under point 4
Replace gearbox
Bearing bearings
Replace complete brake assembly
Inspect friction lining and replace,
if necessary
Check nut and tighten
Check washer and replace, if nec-
essary
Bearing bearings
Install saw blade correctly on the
centering device and tighten (as
specified in Technical Data)
Have direction of rotation reversed
at 2 phases (only by a qualified
electrician)
Remedy
Ausführung/ Version
11.2007