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Bosch GHO 6500 Professional Original Instructions Manual page 16

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OBJ_BUCH-2410-002.book Page 16 Thursday, November 19, 2015 11:21 AM
16 | English
Resharpening HSS Planer Blades (see figure D)
Worn or dull HSS planer blades can be resharpened with the
sharpening device 18 (accessory) and a commercially availa-
ble whetstone.
Insert both planer blades into the sharpening device and
clamp them by tightening the wing bolt. Make sure that both
planer blades are completely inserted to the stop.
Move the sharpening device with the inserted planer blades
uniformly and with light pressure across the whetstone.
Note: Never regrind the planer blades by more than 6 mm,
based on a minimum width of 23 mm. Thereafter, both planer
blades must be replaced.
Assembling the Planer Blade(s) (see figures E–F)
Before reinserting new or resharpened planer blades, clean
the blade drum 13 and the planer blades 15, if required, as
well as the HSS planer-blade retainer 16. Clean heavily
gummed planer blades with spirits or petroleum.
Note: Before assembling new or resharpened planer blades,
their correct height setting must be adjusted first.
The setting gauge 19 (accessory) is used for adjusting the
height of the planer blades. Place the planer blade 15 and the
blade retainer 16 on the setting gauge. Make sure that the
blade retainer 16 engages in the groove inteneded for this
purpose. Press the planer blade 15 against the stop and lock
the blade retainer 16 in this position with the fastening
screws 17. This will automatically adjust the correct height.
Each planer blade must be assembled and aligned centered
to the planer base plate 8. Afterwards, tighten the three fas-
tening screws 11 with the Torx key 10, ensuring the correct
tightening sequence () on the clamping jaw 12.
Note: Before starting operation, check the fastening screws
11 for tight seating. Rotate the blade head 13 manually and
ensure that the planer blades do not graze.
Replacing Carbide Blades (TC)
 Be cautious when replacing the planer blades. Do not
grasp the planer blades by the cutting edges. Possible
danger of injury due to the sharp cutting edges of the plan-
er blades.
Use only original Bosch carbide blades (TC).
The carbide planer blades (TC) have two cutting edges, which
can be reversed. When both cutting edges are dull, the planer
blades 20 must be replaced. Carbide blades (TC) may not be
resharpened.
Disassembling the Planer Blade(s) (see figures G – H)
– To reverse or replace the planer blades, rotate the blade
drum 13 until the clamping jaw 12 is parallel to the planer
base plate 8.
– Loosen the three fastening screws 11 with the Torx key 10
by approx. 1 – 2 turns. The clamping jaw 12 does not have
to be removed.
– Rotate the blade drum a little and push the planer blade 20
sidewards out of the blade drum 13 with a piece of wood.
– Turn the blade drum by 180° and disassemble the 2nd
planer blade.
1 609 92A 1T5 | (19.11.15)
Assembling the Planer Blade(s) (see figures I – J)
The guide groove of the planer blade always ensures continu-
ous height adjustment when replacing or reversing it.
If required, clean the blade seat in the blade drum 13 and the
planer blade 20.
When assembling the planer blade, ensure that it is seated
properly in the blade holder of the blade drum 13.
Each planer blade must be assembled and aligned centered
to the planer base plate 8. Afterwards, tighten the three fas-
tening screws 11 with the Torx key 10, ensuring the correct
tightening sequence () on the clamping jaw 12.
Note: Before starting operation, check the fastening screws
11 for tight seating. Rotate the blade head 13 manually and
ensure that the planer blades do not graze.
Using Conversion Kits
Converting from HSS to TC
With the conversion kit 2 607 001 399 (see accessories),
planers equipped with HSS planer blades can be converted to
TC planer blades.
– Loosen and remove the clamping jaw 12.
– Slide the planer-blade retainer 16 together with the planer
blade 15 out of the guide groove 14 of the blade drum 13.
– Insert the conversion kit 2 607 001 399 into the guide
groove 14.
– Reattach the clamping jaw 12 and screw in the fastening
screws 11, but do not tighten them yet.
– Insert the TC planer blade from the side into the planer
blade seat.
– Each planer blade must be assembled and aligned cen-
tered to the planer base plate 8. Afterwards, tighten the
three fastening screws 11 with the Torx key 10, ensuring
the correct tightening sequence () on the clamping
jaw 12.
Converting from TC to HSS
With the conversion kit 2 607 001 398 (see accessories),
planers equipped with TC planer blades can be converted to
HSS planer blades.
– Unscrew the 3 fastening screws 11 with the Torx key 10
and remove the clamping jaw 12.
– Slide the planer-blade retainer 16 together with the planer
blade 15 out of the guide groove 14 of the blade drum 13.
– Insert the conversion kit 2 607 001 398 into the guide
groove 14 and align it centered to the planer base plate
8.
– Reattach the clamping jaw 12 and tighten the three fasten-
ing screws 11 with the Torx key 10. Ensure the correct
tightening sequence () on the clamping jaw 12.
Dust/Chip Extraction
 Dust from materials such as lead-containing coatings,
some wood types, minerals and metal can be harmful to
one's health. Touching or breathing-in the dust can cause
allergic reactions and/or lead to respiratory infections of
the user or bystanders.
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