jcb JS300 Service Manual page 405

Fig 1. Pneumatic Knife
i Press the handle to start the knife blade
oscillating.
Important: This tool must not be used on toughened
glass.
ii Insert the knife blade into the sealant.
iii Slowly move the knife along the sealant with
the blade positioned as close to the glass as
possible. Do not allow the knife blade to
overheat or the sealant will melt.
b Braided Cutting
K Fig 2. ( T
B-36). This method uses a 3-core
wire, a wire starter tube and two handles.
i Insert the steel tube A into the old sealant on
the inside of the glass.
Fig 2. Braided Cutting Wire and Handles
B-36
Wire and Handles.
9813/5100-1
Section B - Body and Framework
ii Insert the braided cutting wire B down the
centre of the steel tube. If necessary, from the
outside, cut out local sealant at the point of the
tube to gain access to the wire.
iii Using suitable pliers, pull the cutting wire
through the sealant to the outer side of the
glass.
iv Secure the end of the braided cutting wire
(found on the outer side of the glass) in the
special handle C.
v Slowly remove the steel tube A.
vi Secure the second end of the braided cutting
wire in the special handle D.
vii Move the cutting wire backwards and forwards
in a sawing motion and at the same time
gently push or pull the wire to cut through the
old sealant.
K Fig 3. ( T
c Cut-out Knife.
knife can be used as a left handed or right handed
tool.
Fig 3. Cut-out Knife
i Insert the knife blade into the sealant.
ii Make sure that the blade of the knife is against
K Fig 3. ( T
the glass A.
iii Use the 'pull-handle' to pull the knife along and
cut out the old sealant.
Cab
Cab Structure
B-36). The cut-out
B-36).
B-36