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P7648 Edition 1
MAINTENANCE
Always wear eye protection when lubricating or performing
maintenance on the Starter Relay Valve. Always bleed off the
air pressure before lubricating or performing any mainte-
nance on the Starter Relay Valve.
Lubrication
Periodically lubricate the Starter Relay Valve as follows:
1. Bleed off the air pressure.
2. Disconnect the No. 4 Hose from the tank at the control air
supply port near the bottom of the Starter Relay Valve oppo-
site the air inlet. In some installations, this ¼" N.P.T. will be
plugged.
3. Remove the plug. Squirt approximately 1 ounce (30 cc) of
10W oil into the Starter Relay Valve through the hose plug
opening.
4. Reconnect the hose or reinstall the plug.
No. SRV150-TK3 Tune Up Kit is available for maintaining the
Starter Relay Valve. This Tune Up Kit includes all O-Rings
(3,6,9,11), Bumper (5), O-Ring Retainer (7), End Plug
Retaining Ring (12) and Grease.
Installation of the Tune Up Kit
Disassembly of the Starter Relay Valve
1. Bleed off the air pressure.
2. Clamp the Starter Relay Valve in a vise with the Retaining
Ring (12) facing up.
3. Carefully remove the Retaining Ring. The End Plug (10)
should spring out. If it does not, tap the Valve Housing (1)
lightly with a soft hammer until the End Plug springs out.
4. Remove the End Plug, Spring (8), and Piston Assembly (4).
5. Remove and discard all of the used O-Rings and the Bumper
(5).
6. Clean all other parts in a clean, suitable cleaning solution in a
well ventilated area.
Assembly of the Starter Relay Valve
1. Using O-Ring lubricant, lubricate and install the new Piston
O-Ring (6) and the new Upper Piston O-Ring (3) on the Pis-
ton (4).
The Upper Piston O-Ring (3) is slightly larger in diameter
than the End Plug O-Ring (9).
2. Turn the Piston over and install the new Bumper (5).
3. Using O-Ring lubricant, lubricate and install the new End
Plug Seal O-Ring (11) and the new End Plug O-Ring (9) on
the End Plug (10).
4. Lubricate the lower small bore of the Valve Housing (1) with
O-ring lubricant.
5. Insert the Piston Assembly into the Valve Housing until the
Piston O-Ring (6) seats against the beveled face.
6. Install the O-Ring Retainer (7) with the large opening over
the Piston O-Ring.
7. Place the Piston Spring (8) on the Piston.
8. Place the End Plug Assembly on the Piston Spring.
9. Using a press to hold down the End Plug Assembly, install
the End Plug Retaining Ring (12).
WARNING
NOTICE
NOTICE