2
TENSION OF BELTS
RECOMMENDED TENSIONS f
/or i//jormation I
Water pump belt :
New belt : ...........................................
.................................................
400 to 450 N ( 40 to 45 kg ) 88 to 99 lb
Run-in belt ......................................................................................
250 to 300 N ( 25 to 30 kg )
55 to 66 Ib
Alternator belt :
New belt
.........................................................................................
400 to 450 N ( 40 .to 45 kg ) 88 to 99 lb
Run-in belt
..................................................................................
250 to 300 N ( 25 to 30 kg ) 55 to 66 Ib
Vchicic)s with power slcvring :
H.P. pump belt :’
New belt ...........................................................................................
350 to 400 N ( 35 to 40 kg ) 77 to 88 lb
Run-in belt
...............................................................................
200 to 225 N ( 20 to 22.5 kg ) 44 to 50 lb
Compressor belt :
New belt
.........................................................................
...............
400 to 450 N ( 40 to 45 kg ) 88 to 99 lb
Run-in belt
2% N
..................................................................................
( 25 kg 1
55 Ib
Toothed belt for water pump :
........................................................
150to180N( 15to18kg)33to40lb
NOTE : Insufficient tension reduces considerably the reliability of the toothed belt.
Tension in excess of 180 N ( 18 kg ) ( 40 Ib ) will cause whistling noises.
Consequently. adjust toothed belt tension as tight as possible without it whistling tighten until it whistles whilst
running. and slacken until the noise disappears.