Safe Grease Gun Pressure for Filling Hubs with Grease on EZ Lube Spindles
Question:
Hi, I was wondering if it is safe to use a battery grease gun on the EZ Lube Spindles without the risk of blowing out the rear seals? I have a milwaukee M18 grease gun which on low setting will reduce the flow of grease but a max pressure of 10,000 psi.
asked by: Chris
Expert Reply:
Care should be taken when loading grease into a hub that is installed on an EZ-Lube spindle. It is very easy to over-fill the hub and apply too much pressure and blow out the grease seals. Even the double-lip seals like # 34823 used with EZ-Lube hubs can be blown out from excess grease pressure.
The standard grease guns we offer top out at a maximum pressure of 7000-psi, but many are rated for lower pressure, such as # ALL940798 (4500-psi) and # L30100 (3000-psi) and it's cartridges # L54FR. That said, we do also have one that is rated at 10,000-psi, LubriMatic Ultimate Grease Gun # L30480.
If you were simply topping off your hubs before a trip I would recommend a lower pressure grease gun. One of the higher pressure models like yours or # L30480 would be better suited to filling hubs that have just been installed.
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Double Lip Grease Seal - ID 1.249" / OD 1.983" - Qty 1
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