Parametry regulacji rozrządu.pdf

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3247A
N.T. 3247A
XXXX
Belt tension using tool Mot. 1505
77 11 204 959
MAY 1999
Edition Anglaise
"The repair methods given by the manufacturer in this document are based on the
technical specifications current when it was prepared.
The methods may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories
from which his vehicles are constructed."
All copyrights reserved by Renault.
Copying or translating, in part or in full, of this document or use of the service part
reference numbering system is forbidden without the prior written authority of
Renault.
C RENAULT 1999
75893792.001.png
This note contains:
- a presentation of the new tool for measuring belt ten-
sion Mot. 1505,
- the procedure for using the tool,
- recommendations for fitting timing belts and acces-
sories belts,
- tension values (SEEM units/Hertz).
A Technical Note will be issued later to show the ten-
sion values (in Hertz) for accessories belts on C - G - J -
S and Z engines.
Contents
Page
07
VALUES AND SETTINGS
Belt tension
Timing belt tension
Accessories belt tension
D engine
E and K engines
F engine
07-1
07-5
07-12
07-13
07-15
07-20
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VALUES AND SETTINGS
Belt tension
07
IMPORTANT
The procedure for tensioning a belt is an important operation since it de-
termines the length of the belt’s life.
The use of the frequencymeter Mot. 1505 is therefore essential in order to
apply the correct fitting tension in accordance with the manufacturer’s re-
commendations and to eliminate the risk of overtensioning (or underten-
sioning), noise and problems resulting from incorrect belt tensioning.
If this tensioning procedure using Mot. 1505 is not strictly observed, the
engine may be damaged.
16163R
A Reading head with two sensors (a) and (b)
B Display unit
C Standard frequency generator ( 512
D Equipment on/off button
E Test button to check the unit is correctly calibrated
F Instructions for the equipment
07-1
1 Hertz ) integral in display unit
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VALUES AND SETTINGS
Belt tension
07
OPERATING PRINCIPLE
This equipment measures the frequency of the belt.
The frequency is a physical value which in this instance reflects the belt tension level with a high degree of ac-
curacy.
The units used are Hertz ( Hz ).
The reading head (A) comprises two sensors (a) and (b) which measure the vibrations in the belt after it has
been moved.
Measurement takes place using only one sensor, as the other sensor is for reference purposes and must be
outside the measuring area (see instructions).
Each of the sensors may be used as either a measuring sensor or a reference sensor.
SPECIFICATIONS
Measuring range:
30 to 520 Hz
Accuracy:
1 Hz < 100 Hz and
1 % > 100 Hz
CHECKING THE EQUIPMENT
The standard frequency generator (C) integrated in the display unit allows the correct operation of the
equipment to be checked.
Refer to the instructions for the checking procedure.
If the value read on the two sensors differs by more than 512
1 Hz , the equipment must be returned to
SEEM.
Refer to your After Sales Head Office for further details.
07-2
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