58 of 59 GH-24, GH-30, GH-45, GH-60 Rev.003
TROUBLESHOOTING
SEMI TAP LUBRICATOR
NOTE: Reference diagram on pg. 38 & 39
The lever is actuated but nothing comes out
o You must first determine if the problem is air or fluid. Follow the air line from the pneumatic motor
to the air micro valve (LS/006) located between the plates. The air micro valve should be marked
304ma and is located farthest away from the plate it is attached to. Remove the hose and check that
air pressure us coming out of the line.
o If there is no air pressure, open the air flow control valve (LS/010) located on the rear of the
hydraulic power pack by turning counter clockwise (this increases the air flow). If you still have no
pressure the air flow valve is defective.
o If there is air pressure going into the micro valve (LS/006), but no air pressure coming out of the
nozzle (LS/012), then the air micro valve is defective or the switch on top of the micro valve is not
being depressed far enough to work the valve.
When the lever is actuated air comes out but no fluid
o Follow the fluid line from the reservoir to the fluid micro valve (LS/007) located between the plates.
The fluid micro valve should be marked 204ma and is located closest to the plate it is attached to.
Remove the hose and check if fluid is coming out of the line.
o If there is no fluid, there is either blockage in the line, a kinked line, or the reservoir is too low to
provide adequate fluid.
o If fluid flows out of the line, reconnect the tube and move to the fluid flow control valve (LS/014)
located on the front side plate. Remove the hose going into the fluid flow control valve and check to
see if fluid comes out of the line when the lever (LS/002) is actuated.
o If no fluid comes out, the fluid micro valve (LS/007) is defective.
o If no fluid comes out, reconnect the tube to the fluid flow control valve and try turning the
adjustment knob counter-clockwise to increase the flow. If there is still no fluid coming from the
nozzle (LS/012) when the lever is actuated, the fluid flow control valve is defective.
When the lever is actuated fluid comes out but no air
o Follow same instructions as if nothing comes out.
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