Chevrolet 10 1971 Series Chassis Service Manual page 334

FUEL TANK AND EXHAUST SYSTEMS 8-10
4. Connect hoses to top of canister in same position as
in Step 3 above.
CANISTER PURGE VALVE (Fig. 10)
Disassembly
1. Disconnect lines at valve.
2. Snap off valve cap (slowly remove cap as diaphragm
is under spring tension). Remove diaphragm, spring
retainer and spring.
3. Replace parts as necessary. Check orifice open­
ings.
Assembly
1. Install spring, spring retainer, diaphragm and cap.
2. Reinstall canister as previously outlined, connect
lines to valve.
SEPARATOR
Removal
1. Raise vehicle on hoist.
2. Disconnect lines from separator.
3. Remove retaining screw and remove separator.
Installation
1. Install separator and its retaining screw.
2. Connect lines to separator.
3. Lower vehicle and remove from hoist.
FUEL TANK
Removal and installation procedures are the same as
outlined for other models with exception of disconnecting
and connecting fuel tank-to-separator vent lines. Refer
to Fuel Tank Section.
14—
Fig. Fuel Vapor Sticker and Rear Vent Pipe P
10
Series
10-30 CHEVROLET TRUCK SERVICE MANUAL