Stihl MS 171 Manual page 25

7.3 Brake Lever
2
1
– Troubleshooting, b 4.2
– Remove the brake band, b 7.2
– Push the hand guard away from
the front hand to relax the brake
spring.
: Use the assembly tool (2)
1117 890 0900 to disconnect the
brake spring (1) from the anchor
pin (arrow) – the spring may pop
out during this operation.
– Disconnect the brake spring from
the brake lever.
1
: Take out the screw.
: Pry the hand guard (1) off the fan
housing (arrow).
– To ease assembly, remove the
rewind starter, b 10.2
24
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: Remove the E-clip (arrow).
1
: Lift and turn the strap (1) a little,
then push it to the left as far as
the hole (arrow) and remove it.
– Remove the spacer sleeve from
the brake lever.
1
2
: Pull the hand guard (1) and brake
lever (2) off the pivot pins
(arrows) together.
– Remove the hand guard and
brake lever.
2
1
: Pull the brake lever (2) out of the
hand guard (1).
– Inspect the brake lever and hand
guard and replace if necessary.
– Inspect the pivot pins and replace
if necessary, b 7.5
– Inspect the flat spring and
replace if necessary., b 7.4
– Clean all disassembled parts,
b 16
– Position the brake lever so that
the hook (arrow) for the brake
spring is at the top.
: Push the brake lever (1) into the
hand guard recess and line up
the holes.
MS 171, MS 181, MS 211
1