ATLET SERVICE MANUAL A-ERGO
ATLET SERVICE MANUAL A-ERGO
6
6..2
22
2
Ma
Mas
st
t s
sy
ys
stte
em /
m / R
Re
ep
pa
aiir i
r in
ns
sttrru
uc
cttiio n
o ns
s /
/ L
Liifft
t c
ch
ha
aiin
ns
s
••
Mea
Measur
sure th
e the h
e heig
eight o
ht of th
f the ch
e chain
ain lin
link p
k plate
lates, d
s, dime
imens
nsion
ion G in
G in figu
figure
re 6.25
6.25. Max wear
. Max wear
is 5%. Measure the original height where the chain is not worn
is 5%. Measure the original height where the chain is not worn as a comparison.
as a comparison.
Example: A chain has an original plate height of 23.2 mm, and therefore the plate
Example: A chain has an original plate height of 23.2 mm, and therefore the plate
height should be at least 23.2 - 5% =
height should be at least 23.2 - 5% = 23.2 x 0.95 = 22 mm.
23.2 x 0.95 = 22 mm.
••
Mak
Make s
e sure
ure tha
than n
n none
one of
of the
the pin
pins i
s in t
n the p
he plat
lates
es hav
have tw
e twist
isted,
ed, see
see 6.26
6.26..
••
Ma
Make
ke su
sure
re th
that
at th
ther
ere a
e are n
re no c
o cra
rack
cks i
s in th
n the p
e pla
late
tes.
s.
••
Lo
Look
ok fo
for tr
r trac
aces
es of m
of mec
ech
han
anic
ical
al da
dama
mage
ge or r
or rus
ust.
t.
••
Che
Check t
ck that t
hat the c
he cha
hain ru
in runs e
ns easi
asily o
ly over
ver the
the pul
pulley
ley whe
wheel an
el and do
d does n
es not j
ot jam.
am.
••
Lu
Lubr
brica
icate
te th
the c
e cha
hain a
in aft
fter c
er cle
lean
anin
ing a
g and
nd in
insp
spec
ectio
tion.
n.
Figure 6.25
Figure 6.25
Measuring positions
Measuring positions
Table 6.3
Table 6.3
Chain dimension
Chain dimension
Chain
Chain
dimension
dimension
(inches)
(inches)
P (nominal)
P (nominal)
Pitch
Pitch
dimension
dimension
(mm)
(mm)
P (true)
P (true)
Tr
True p
ue pitch
itch
dimension
dimension
(mm)
(mm)
Measureed over
Measureed over
25 links New
25 links New
chain
chain
(mm)
(mm)
Max over
Max over
25 links
25 links
2% elongation
2% elongation
(mm)
(mm)
1
1//2
2””--2
2*
*2
2
1
12
2..7
70
0
1
12
2..5
59
9
3
31
14
4..7
75
5
3
32
21
1..0
05
5
5
5//8
8””--4
4*
*4
4
1
15
5..8
88
8
1
15
5..8
87
75
5
3
39
96
6..8
88
8
4
40
04
4..8
81
1
3
3//4
4””--3
3*
*4
4
1
19
9..0
05
5
1
19
9..0
05
5
4
47
76
6..2
25
5
4
48
85
5..7
78
8
3
3//4
4””--4
4*
*4
4
1
19
9..0
05
5
1
18
8..9
91
1
4
47
72
2..7
75
5
4
48
82
2..2
21
1
1
1””--4
4*
*4
4
2
25
5..4
40
0
2
25
5..3
32
2
6
63
33
3..0
00
0
6
64
45
5..6
66
6
1
1
1
1//4
4””--4
4*
*4
4
3
31
1..7
75
5
3
31
1..5
54
4
7
78
88
8..5
50
0
8
80
04
4..2
27
7
1
1
1
1//2
2””--4
4*
*4
4
3
38
8..1
10
0
3
38
8..0
06
6
9
95
51
1..5
50
0
9
97
70
0..5
53
3
Figure 6.26
Figure 6.26
Twisted pin
Twisted pin
S
S
M
M
169
169
.1
.1
P
P
P
P
G
G
SM 169.2
SM 169.2
A
A
B
B
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