Replacing The Drive Belt; Maintenance And Cleaning - Bosch GHO 31-82 Bedienungsanleitung

Carbide Blades
Carbide planer blades (HM/TC) have two blade
edges and are reversible.
When both cutting edges are dull the planer
blades must be replaced. HM/TC planer blades
may not be resharpened.
Disassembling the planer blades
To reverse or replace the planer blades, bring the
blade head 23 into the respective position. Lightly
unscrew the three clamping screws 24 in clock-
wise direction using the open-end spanner 10.
(see figure B B )
After pressing down the lateral blade-shaft pro-
tector 25, slide the blade head 23 out of the
blade-clamping element 26. (see figure
Push the planer blade 27 out of the clamping el-
ement 26 with a piece of wood. (see figure
Turn the blade head 23 another half turn and re-
peat the procedure to disassemble the second
clamping element.
Assembling the planer blades
The height adjustment of the HM /TC blades is
factory set.
Clean the blade seat (clamping element) and the
planer blade respectively, if required.
When assembling the planer blade, ensure that it
is seated properly in the blade holder of the
clamping element 26 and aligned flush at the side
edge of the rear planer shoe 13. (see figure
Afterwards tighten the clamping screws 24
evenly and alternating.
Turn the blade head 23 another half turn and re-
peat the procedure to disassemble the second
clamping element.
HSS Blades
Blade replacement is identical with the method
described under a), with the difference that an
additional height adjustment of the blade is re-
quired (see appendix, picture page G).
Rustic Blade
Blade replacement is identical with the method
described under a), with the difference that an
additional height adjustment of the blade is re-
quired (see appendix, picture page H).
16 • 2 609 932 112 • TMS • 19.10.01
Note: The lowest spot of the rustic blade must
not exceed the planer shoe (see appendix, pic-
ture page H, Fig. 6).
Before restarting check if the clamping
screws 24 are tightened well.
Rotate the blade head 23 by hand and en-
sure that the planer blades do not graze.

Replacing the Drive Belt

(see figure
Before any work on the machine itself, pull
the mains plug.
Loosen screw 12 and take off the belt cover 11.
Remove worn drive belt 29.
)
C
Before assembling a new drive belt, clean both
belt pulleys 28 and 30.
)
D
Place the new drive belt on the small belt pul-
ley 30 first and then work it on the large belt pul-
ley 28 by hand while rotating.
Reattach the belt cover 11 and tighten with the
screw 12.

Maintenance and Cleaning

Before any work on the machine itself, pull
the mains plug.
For safe and proper working, always keep
the machine and the ventilation slots clean.
)
E
If the machine should fail despite the care taken
in manufacturing and testing procedures, repair
should be carried out by an after-sales service
centre for Bosch power tools.
In all correspondence and spare parts orders,
please always include the 10-digit order number
given on the nameplate of the machine.
WARNING! Important instructions for con-
necting a new 3-pin plug to the 2 wire cable.
The wires in the cable are coloured according to
the following code:
live = brown
neutral = blue
Do not connect the blue or brown wire to the
earth terminal of the plug.
Important: If for any reason the moulded plug is
removed from the cable of this machine it must be
disposed of safely.
English - 5
)
F
strain relief
To be fitted
by qualified
professional only