Stihl RM 756 GC Manual De Instrucciones página 52

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Adjusting the blade brake clutch
cable
Maintenance interval:
As required
Adjustment of the cable is necessary
– if the mowing blade is stationary
following engagement,
– if engagement only takes place
following a delay,
– if the speed of the engaged mowing
blade decreases during mowing.
Adjusting the cable
● Loosen nut (1) and tension cable (2)
using nut (3). Then tighten nut (1)
again.
Check
Correct adjustment is checked by
measuring the spring length.
● 1 Measure the length of the relaxed
spring (4) using a slide calliper.
● Engage the mowing blade – do not
start the engine. (
10.2)
● 2 Measure the length of the stretched
spring (4).
Difference in length:
at least 3 mm
● Adjust the cable again if necessary.
If the mowing blade does not
correctly engage despite the cable
being correctly adjusted, the blade
brake clutch must be checked by a
specialist dealer. STIHL
recommends STIHL specialist
dealers.
Adjusting the hydro self-
propulsion cable
RM 756 YC, RM 756 YS
50
Maintenance interval:
Prior to initial use or as required
24
Adjustment of the cable is necessary
– before the machine is operated for the
first time
– if the maximum speed is not achieved
– if self-propulsion is permanently
engaged. This means that the lawn
mower automatically begins to move
when the recoil starter rope is pulled,
despite the self-propulsion lever not
being actuated.
Adjusting the cable
● Pull driving speed lever (1) all
the way back.
● Loosen nuts (2, 3) to release
the tension on cable (4).
● Start the engine. (
● Pull the self-propulsion lever to the
handlebar and hold. (
● Tension cable (4) using nut (3) until
self-propulsion is activated. Then
release the self-propulsion lever, stop
the engine and tighten nut (2).
● Check:
When the self-propulsion lever is not
actuated, the cable is tensioned slightly
and the machine can be pulled
backwards – the wheels are not
blocked.
Adjusting the gearshift cable
RM 756 GC, RM 756 GS
Maintenance interval:
As required
Adjustment of the cable is necessary
– if the individual gears cannot be
25
engaged.
Adjusting the cable
● Tighten cable (1) using two nuts (2, 3)
on the underside of the handlebar so
that all three gears can be correctly
engaged.
Adjusting the self-propulsion
cable
RM 756 GC, RM 756 GS
Maintenance interval:
As required
Adjustment of the cable is necessary
– if self-propulsion is not activated when
the self-propulsion lever is operated.
– if self-propulsion is permanently
engaged. This means that the lawn
mower automatically begins to move
when the recoil starter rope is pulled,
despite the self-propulsion lever not
10.1)
being actuated.
10.5)
Checking the cable tension:
1. Engage 3rd gear and pull the recoil
starter rope – the lawn mower is not
driven.
2. Pull the self-propulsion lever to the
handlebar and hold, pull the recoil
starter rope – the lawn mower is driven.
Adjusting the cable:
26
● Tighten cable (1) using two nuts (2, 3)
on the underside of the handlebar so
that self-propulsion is activated at about
half the travel of the self-propulsion
lever.
Risk of injury!
The self-propulsion cable must be
correctly adjusted before the
machine is operated.
0478 111 9937 B - EN
27

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