Refill The Tank: Pumps With An Auto-Fill Shut Off (Afso) - Graco Compact Dyna-Star 3A6941B Instructions Manual

Setup
The auto-fill shut off (V) is used to refill the grease tank
(K) in an automatic lubrication system. When the grease
level in the tank is full, the auto-fill shut off automatically
ends the filling operation.
Always fill the tank (K) to full during refilling.
As grease is added to the tank (K), the follower plate (Y)
is pushed to the top of the tank (K) and pushes up the
valve pin (V1) which closes the inlet fluid path. Pin (V2)
pops up when the tank is full (F
F . 12
IG
When the fluid refilling path closes, the refilling line (GG)
pressurizes and brings the remote fill station pump (AA)
to a pressurized stall condition.
Note: The operator must monitor the system during fill-
ing of the tank to prevent any accidental fluid overflow.
Refill the Tank: Pumps with an Auto-fill
Shut Off (AFSO)
The breather (J) vents the tank to the atmosphere. If it
is plugged the tank will over-pressurize and rupture.
Be sure the breather is not plugged before filling the
pump.
1. Pull and hold the fill valve pressure relief knob (FF)
long enough to relieve line pressure between the fill
valve (EE) and the auto-fill shut off valve (V).
16
. 12).
IG
V2
2. Verify the auto-fill shut off pin (V2) is down, indicat-
ing it is reset (F . 13).
IG
V2
F . 13
IG
3. Remove the dust cover (DC) from the fill coupler
(FC) on the fill valve (EE) (F
FF
DC
F . 14
IG
Pin Down
. 14).
IG
EE
FC
3A6941B