Harvard
Apparatus V
entilator Model 613 User's Manual
9
Maintenance Instructions
Lubrication Requirements
Pump:
The slide valve and the inside of the cylinder should be lubricated every six months
with Dow Corning #33 Compound silicone grease (1 ounce jar is provided). This
grease is also available as part of the Model 616 Repair Kit for Model 613 Ventilators.
The connecting rod has an oil hole at each end for application of light machine oil.
Machine oil is also available as part of the 616 kit.
Motor:
Motor bearings and ball bearings--all bearings are grease lubricated.Additional lubrica-
tion is required if the pump has been run for 5 years or 10,000 operating hours,
whichever comes first.These figures should serve as a guide providing that the pump
is run at normal ambients and is not overly abused. For more severe conditions, more
frequent servicing is required.Andok C. (Penola, Inc.) or BRB #4 (Socony Oil) should
be used for lubrication.
Gear Reducers:
Reducer housings have no sight gauge or level plug. The housings are filled to 3/4
capacity with Hodson #2-1000 No-Melt Grease.This will be sufficient for a 5 year peri-
od.To relubricate types N-10R6 reducers, remove the gear housing, clean out the old
grease, and refill to 3/4 capacity with Hodson Lubricant mentioned above.To relubri-
cate types N-1RH, N-3R, N-3RH, and N-5R reducers, remove the gear housing end
shields supporting the drive shaft, clean out the old lubricant and refill to 3/4 capaci-
ty with the same Hodson grease.
Note: Some gear reducers also have oilers on the output shaft binding hubs. For
normal duty, lubricate every 3 months with .02 fluid ounces of the oil supplied, or
any equivalent oil (such as ‘3 in 1’ oil).
Cylinder Valves:
Disassemble every six months for inspection and removal of foreign matter.
Water Removal:
Water removal plug is provided at the bottom of the cylinder. Periodically release the
valve to drain off any excess moisture that has accumulated.
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