12
WARNING
Use lock out/tag out procedures to disable the electrical energy source
before any service or work is done on the blower.
WARNING
Avoid extended exposure in close proximity to machinery with high intensity
noise levels. Wear adequate ear protection.
NOTE
Use proper care and good procedures in handling, lifting, installing,
operating, and maintaining the equipment.
5.3 LUBRICATION
Every blower from Tuthill Vacuum & Blower Systems is factory tested; oil drained and shipped dry to its
installation point. Both oil reservoirs must be lled to the proper level before operation.
The blower incorporates pressure lubrication with an integral oil pump, pressure relief valve, lter and oil-to-
coolant heat exchanger. Before starting the blower, ll oil sumps as shown below under “Filling Procedure”.
Tuthill Vacuum & Blower Systems approved mineral-based, synthetic and food grade lubricants are listed
on page 35.
WARNING
Never attempt to change or add lubrication while the blower is running.
Failure to heed this warning could result in damage to the equipment or
personal injury. Oil must be checked when the blower is NOT running.
WARNING
Properly dispose of the spent lubricants. Refer to the manufacturer of the
lubricant and any regulations to assure proper and safe disposal.
WARNING
Do not start the blower until you are sure oil has been put in the gear
housing and rear cover. Operation of the blower without proper lubrication
will cause the blower to fail and void the warranty.
5.3.1 FILLING PROCEDURE
See Figure 5. Recommended lubricants are shown on page 35.
1. Remove ll plugs or breathers from both gear end and drive end plates.
2. SLOWLY pour oil through ll until oil appears in the oil sight glass. Bring oil level to center of sight glass.
3. Verify oil level is at proper level in BOTH gear end and drive end sight glasses.
4. Replace ll plugs or breathers that were removed in step 1.
The end cover oil reservoirs are connected together by passageways external to the rotor housing. To
change oil, drain from the one-inch square head plug located in bottom of cover, or the on-half inch plug in
the oil pump cover.
Oil levels should be checked frequently. Blower must be shut down to properly check oil level.
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