Lmportant Information; Cleanliness; Plugs; Tightening Torques - Volvo D 20 Service Manual

lmportant information
CLEANLINESS
Diesel injection systems areoxtremelysensitiveto dirt
and foreign m6tter. A special workplace should
therefore be used for insoection ofcomoonents.
PLUGS
Clean fuel Iine connections thoroughly before discon-
necting pipes.
Plug ends of fusl lines etc as each component is
removed. Do not remove thess plugs until the compo'
nent is reconnected.
Tightening torques
Two kinds of tighlening torques will be found in this
1. Tighten to 40 Nm {30ft lbs) indicates th6t a torque
wrench must be used Iortightening.
2. Tightening torque 40 Nm {30 ft lbs) indicates a
guidevalug. Tightening need not be donewith a
Ioroue wrencn.