Cleaning The Radiator; Testing V-Belt Tension; Tensioning V-Belts; Alternator V-Belt - Mercedes-Benz 209 D Operating Instructions Manual

s or a faulty
syste m for
:new hoses,
,ses shou ld
n th ey have
iriod of time
mded hose
on ly if th e
;tern is less
nsion tank.
g tempera-
i s opened ).
coo lant.
4 J 2 Cleaning the cooling and heating systems
( IH ning the radiator
lllow
out the radiato r co re from the engine
I
h
with compr essed air or a jet of water
4 I I V-belts
1111q
V belt ten sio n
l\ 11 k it" tester
I 11wer feeler arm in tester.
I '11 • ,1 t1 on tester in the middle betwee n
I
w,,
pulleys. The stop must co ntact the
1i1,, of the V-belt.
( , ,1111nuo usly press the pu sh button at
11 1111 angles to the V-belt until the
1
11
k spring can be felt or heard to
111 ,1111gage. Discontinu e press ure as
ll11•1wise measuring data are incor-
H, I
11,
•lully lift off tester without altering
1111 1,,,.ler arm positio n.
until the radiator fins arc freed from foreign
partic les (dust, insects , etc.)
5. Read off the V-belt tensio n at th e int er-
sect ion of the "KG" sca le and th e feel-
er ar m.
Specified value for used V-belts
V-belt section widt h.
12,5 mm= 40-45 on "KG" sca le
6. Co rrect V-belt tension, if requir ed.
Tensioning V-belts
Alternator V-belt:
1.
Slacken securing screws.
2. Turn tension ing screw until the spec i-
fied value is achieved
3. Retighten securing screws.
"Krikit" tester
1 Push button
Tens ioning alternator V-belt (example)
1 Securing screws
2 Tensioning screw
51