Operating Instructions Thread tapping units/ Accessoriesr 01/09, Software 4.9
©
01.1994-2016 microtap GmbH
58
2. Replace the four retaining screws of the spindle cover at the bottom of the work
head.
3. Srew on the spindle cover.
4. Plug in the mains cable.
6.5. Repairs
6.5.1. Replacing the fuse
The fuse
3,15A/TT
for
microtap II
/jobtap and
16A/T
for
megatap II
is located on
the rear side of the machine. The spare fuses are inside of the operator manual.
1. Switch off the machine and remove the mains connector
2. Remove the fuse cover with a screw driver
3. Remove the defective fuse
4. Insert a new fuse with the
same
type and rating and remount the cover
NOTE
A blown fuse is perhaps caused by other faults. If the replacement fuse blows,
the hardware is defective and must be serviced by microtap. For continued
protection against fire hazard, replace only with the same type and rating of
fuse.
6.5.2. Changing the suspension wires
The floating suspension comprises a tension spring (C), three wire cables (1-3), an
eccentric cam (B) and an adjusting lever (D). If any one of the cables breaks, the
drive unit (A) can no longer float and will drop.
In that event, replace all three wire cables (1-3).
1. Raise the work spindle (A) and support it in its uppermost position by means of
a suitable wooden block so that the work spindle (A) stays in the upper position.
2. Open machine see chapter “opening machine”
3. Disengage the operating lever (D) axially by pulling outwards from the machine
housing
4. Disengage all three wire cables (1-3):
- Cable 1 (adjusting lever (D) -> retaining spring (C) )
- Cable 2 (retaining spring (C) -> eccentric pulley (B))
-
Cable 3 (eccentric pulley (B) -> motor bracket (A) )
5. Install new cables as follows:
ATTENTION!
Danger of injury, wear security gloves!
