Check/Adjust Engine Idle Speeds; Renew Fuel Filters - Triumph TR7 Owner's Manual

MAl NTENANCE AN D ADJ USTM ENTS
Fig. 25 TRB and Rover 3500 engine setting screws
. . . .
Fig. 24 TR7 Engine setting screws
2137
Check/Adjust Engine Idle Speeds
Ensure that all other factors affecting the correct running of
the engine are in good order. e.g. Ignition timing. valve
timing, valve tappet clearance and fuel supply system
operation,
If necessary have the correct operation of the electronic fuel
injection control system verified by your Dealer or other
service outlet using the special equipment required.
(1) Run the engine until
It
reaches normal operating
temperature.
(2) Using the air bleed screw (A) on the plenum chamber.
adjust the engine Idle speed to be within the limits
given In the General Specification, Tuning Data
(3) USing an approved type exhaust gas analyser. check the
exhaust gas CO level.
Adjust as necessary uSing the air bleed screw (Bl,
(4l Recheck the engine Idle speed. If adjustment IS
necessary. repeat instructions (2} to (4}.
Renew Fuel Filter(s)
On TR models the fuel fifter(s) are located under the body.
forward of the rear axle.
On Rover 3500 models the fuel filter(s) are located in the
engine compartment. rearward of the left hand Iront
suspension turret.
A single or twin filters may be fitted.
Conrinued
48