TRUCK SERVICE MANUAL
Fig. 7 Removing Electrically Actuated Water
Fig. 8 Removing Tachometer
Mechanical type air gauges (Fig. 9) are front
serviceable after removing air line fittings from
rear of cluster (Fig. 5).
Air gauges are mounted to a common
bracket and are installed or removed as a
pair from the cluster body. Also, when
reinstalling air lines and fittings, use a non-
hardening type sealant on screw threads.
Light bulbs are plug-in, spring-loaded type and
are serviceable from either front or rear of
instrument cluster (Figs. 10 & 11).
Fig. 9 Removing Air Gauges
Fig. 10 Removing Bulb from Front of Cluster
Fig. 11 Removing Bulb and Bulb Socket from Rear of
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