0478 131 8327 B - EN
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13.1 General
Annual service by the specialist dealer:
The lawn mower should be inspected once 
annually by a specialist dealer. STIHL 
recommends STIHL specialist dealers.
13.2 Cleaning the machine
Maintenance interval:
After each use
Treating the machine carefully will protect 
it against damage and extend its service 
life.
● Remove the battery (Ö 8.3)
● Detach the grass catcher box (Ö 9.7)
Cleaning position RMA 339 C:
● Stand to the right of the machine to tilt it 
upwards.
● Set the upper handlebar to the lowest 
position (as far as the stop, the detent 
lever does not engage in this position). 
(Ö 9.4)
● Open discharge flap (1) with your right 
hand and hold it open.
● Hold the bracket with your left hand as 
shown and hold the discharge flap 
open. At the same time, press detent 
lever (2) with your thumb and hold it 
down.
● Hold the machine with your right hand 
on the front handle and tilt it rearwards 
slowly until the handlebar is in contact 
with the ground as shown.
● Release discharge flap (1) and detent 
lever (2) and check that the machine is 
stable.
Cleaning position RMA 339:
● Fold down the dual handlebar (Ö 9.5)
● Tilt the lawn mower upwards and set 
down on lower handlebars (3).
Notes on cleaning:
● Clean off dirt using little water, with a 
brush or with a cloth. In particular, also 
clean the mowing blade. Never spray 
water on motor components, seals, 
bearing points or electrical components 
such as batteries or switches.
● First, remove accumulated clippings 
using a stick.
● Remove dirt from the cooling air guide 
(inlet slots) between the motor hood 
and the lower housing to ensure that 
the motor is adequately cooled.
13. Maintenance
Risk of injury!
Observe the safety instructions in 
the section "For your safety" (Ö 4.).
Remove the safety plug, 
particularly before 
performing any work on the lawn 
mower (Ö 9.2).
Risk of injury!
Before tilting the mower, place it on 
firm, level, flat ground. The machine 
may tip over when working on it in 
the cleaning position. Always stand 
to the side of the machine. Never 
work in front of or behind the 
mower.