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5 Maintenance and Inspection
B) Inspection and replacement of J5 axis brake timing belt
The reference figure at inspection and replacement of the brake timing belt is shown in
To replace the J5 axis brake timing belt, remove the J5 axis timing belt. Measure the tension before removing the
J5 axis timing belt, and reinstall the belt so that the tension must be the same as the one measured before
removal.
<2>Spring
<1>J5 axis motor fixing screw (two pc.)
Fig.5-15 ： Inspection and replacement of J5 axis brake timing belt (RV-2FR series)
■ Inspecting the J5 axis brake timing belt
1) Refer to
Page 100, "5.3.2 Installing/removing the
2) Visually confirm that the symptoms indicated in
occurred with the timing belt.
3) Refer to
Page 107, "(2) Timing belt tension
4) Install the No. 2 arm cover R and L securely as before and finish inspection.
■ Replacing the J5 axis brake timing belt
CAUTION
1) Refer to
Page 100, "5.3.2 Installing/removing the
2) Remove J5 axis timing belt with referring to above
3) Loosen the two motor fixing screws <1>. (Do not loosen too much.)
4) Move motor side timing belt pulley (4) in the direction of the arrow "a" of
timing belt..
5) Install the new brake timing belt. The operations of matching the position for brake timing belt is unnecessary.
Maintenance and inspection procedures
5-118
<4> Timing pulley A
Brake timing belt
<3>
(motor side)
Inside of No.2 arm cover R
It is possible for the customer to replace the timing belt, but precise adjustment is
needed to prevent malfunction of the relevant parts. To ask for replacement of the
timing belt, contact the dealer.
<5> Timing pulley B
a
Timing belt
Inside of No.2 arm cover L
cover", and remove the No. 2 arm cover R and L.
Page 106, "(1) Timing belt replacement period"
measurement", and confirm the belt tension.
cover", and remove the No. 2 arm cover R and L.
" ■ Replacing the J5 axis timing
Fig.
5-15.
(brake side)
J5 axis
belt".
Fig. 5-15
, and remove the brake
have not
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