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(14) RV-4FR/7FR/13FR series: Inspection and replacement of J6-axis timing belt
The reference figure at inspection, adjustment, and replacement of the timing belt is shown in
7FR series, RV-7FRLL) or
RV-4FR/7FR series
RV-7FRLL
<5> Timing pulley B
(joint side)
Fig.5-25 ： Inspection and replacement of J6 axis timing belt (RV-4FR/7FR series, RV-7FRLL)
RV-13FR/13FRL
RV-20FR series
Mark
<5> Timing pulley B
(joint side)
Fig.5-26 ： Inspection and replacement of J6 axis timing belt (RV-13FR/13FRL, RV-20FR series)
■ Inspecting the J6 axis timing belt
1) Refer to
Page 100, "5.3.2 Installing/removing the
2) Visually confirm that the symptoms indicated in
the timing belt.
3) Refer to
Page 107, "(2) Timing belt tension
4) Install the No. 2 arm cover L securely as before and finish inspection.
■ Replacing the J6 axis timing belt
CAUTION
1) Refer to
Page 100, "5.3.2 Installing/removing the
2) Make sure that the pulleys do not move while replacing the belt. If the pulley A <4> and B <5> position relation
deviates, the position could deviate.
3) Make marks on the timing belt <2> and timing pulleys <4> and <5> with a felt-tip pen as shown in the figure
above, so that the engagement of the timing belt <2> and timing pulleys <4> and <5> does not deviate.
4) Lightly loosen the two motor plate fixing screws <1>. (Do not loosen too much.)
Fig. 5-26
(RV-13FR/13FRL, RV-20FR series).
<2> Timing belt
Mark
<3>Tension adjustment screw
With the fixing nut
<2> Timing belt
<1>Motor plate fixing screw
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>Motor plate fixing screw
Mark
<4> Timing pulley A
(motor side)
cover", and remove the No. 2 arm cover L.
"(1)Timing belt replacement period"
measurement", and confirm the belt tension.
cover", and remove the No. 2 arm cover L.
Maintenance and inspection procedures 5-133
5 Maintenance and Inspection
Fig. 5-25
Mark
<4> Timing pulley A
(motor side)
<3>Tension adjustment screw
With the fixing nut
have not occurred with
(RV-4FR/
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