(1) fill in butter
1. Pull the pull rod to make the plunger move backward and screw down the front cover of the grease gun cylinder.
2. Dividing the clean butter into clumps and slowly loading them into the cylinder, and making the clumps as close as possible to each other so as to facilitate the exhaust of air from the cylinder.
3. Install the front cover and push back the pull rod. The plunger moves forward under the action of the spring, so that the butter is compressed.
(2) oil injection method
1. The grease gun joint should be directed to the butter nozzle (the grease nozzle) which is being lubricated, so as not to affect the filling of butter and reduce the waste of grease.
2. When the oil is injected, if the injection is not injected into the oil, it should be stopped immediately, and the cause of the blockage should be identified.
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