Belt Tightness; The Starter Motor; Cleaning And Lubrication - Triumph TR3 Instruction Book

and a low trickle charge for a battery in the fully charged state.
out, operated by generator voltage, prevents discharge of the battery through
the generator when the generator is not charging, in which condition the
ignition warning light will be glowing.

Belt Tightness

It is important that the belt is sufficiently tight to drive the generator,
but not too tight as would put undue load on the generator and water pump
bearings. The correct tension is achieved when the belt can be pressed
inwards ½"—¾" on the longest run, i.e., from the dynamo pulley to
the crankshaft pulley. It is essential after adjustment has been made
to securely tighten the attachment nuts and bolts (2), (3), (4) and
(5), Fig. 36.

Cleaning and Lubrication

The starter brush gear and commutator will not normally require attention.
After
48,000
a Triumph or Lucas Service Depot.
ELECTRICAL SYSTEM
Fig. 36.

THE STARTER MOTOR

miles however, it is advisable to have the unit serviced at
Generator.
4 3
The cut-
SPORTS CAR