5-122
Maintenance and inspection procedures
B) Inspection and replacement of J6 axis brake timing belt
The reference figure at inspection and replacement of the brake timing belt is shown in
.
To replace the J6 axis brake timing belt, remove the J6 axis timing belt. Measure the tension before removing the
J6 axis timing belt, and reinstall the belt so that the tension must be the same as the one measured before
removal.
Fig.5-17 ： Inspection and replacement of J6 axis brake timing belt (RV-2FRB/2FRLB)
■ Inspecting the J6 axis brake timing belt
1) Refer to
Page 100, "5.3.2 Installing/removing the cover"
, and remove the No. 2 arm cover R and L.
2) Visually confirm that the symptoms indicated in
Page 106, "(1) Timing belt replacement period"
have not
occurred with the timing belt.
3) Refer to
Page 107, "(2) Timing belt tension measurement"
, and confirm the belt tension.
4) Install the No. 2 arm cover R and L securely as before and finish inspection.
■ Replacing the J6 axis brake timing belt
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.
1) Refer to
Page 100, "5.3.2 Installing/removing the cover"
, and remove the No. 2 arm cover R and L.
2) Remove J6 axis timing belt with referring to above
" ■ Replacing the J6 axis timing belt"
.
3) Loosen the two motor fixing screws <1>. (two pc.) (Do not loosen too much.)
4) Move motor side timing belt pulley <4> in the direction of the arrow "a" of
, and remove the brake
timing belt.
5) Install the new brake timing belt. The operations of matching the position for brake timing belt is unnecessary.
Timing belt
<2>Spring
a
<3>
Brake timing belt
<5> Timing pulley B
(brake side)
Inside of No.2 arm cover R
<4> Timing pulley A
(motor side)
<1>J6 axis motor fixing screw (two pc.)
Inside of No.2 arm cover L
CAUTION
