Burr King Model 960-251 - Manual (Page 13)

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DOC 960401OP-99 08/02 REV A
3
• check for proper operation
Using the water system that is part of the 960-401 grinder.
The 960-401 is equipped with a re-circulating water fed system that is intended to bath the abrasive belt,
gather in the water, and return the water and grinding slurry into a pail.. The system consists of:
• one 5 gallon pail
• one low pressure pump
• one stainless steel pump bracket
• one metering valve
• two spray nozzles
• one stainless steel fluid gathering tray
• necessary tubing, connections, etc. to permit fed and drain of the water and slurry.
The water system is intended ONLY for water. Do not substitute other solvents they may create a fire,
electrocution, or chemical hazard to operator and/or the equipment.
Operation of the water fed system is simple.
• Adjust the water flow to the desired volume by using the valve located on the rear of the
machine guard.
• The water spray is factory adjusted to address the abrasive belt when the machine is operated in
any attitude from a horizontal to a vertical belt track position.
• The water is returned into the pail via the gathering tray and its associated drain hose that
extends to the water pail.
• The water deliver system and the recovery drain apparatus is designed to work in any machine
position from a horizontal to a vertical belt angle.
NEMA 4 electrical system
The 960-401 wet grinder is factory equipped with a motor, switch, and cord that are NEMA 4 rated for wet
operation. This means that they may be used in wet locations, but not in locations where flooding of the
equipment is probable. The 960-401 also is equipped with a ground fault interrupt plug, and a central
ON/OFF switch mounted in a “rain” type electrical box intended for mounting away from the wet abrasive
belt location. AVOID ELECTICUTION, DO NOT MODIFY OR DEFEAT THE NEMA 4
ELECTRICAL SYSTEM. If your 960-401 requires electrical work insure that a qualified electrician who
understands NEMA 4 requirements performs the work.
In the event the GFI circuit breaker open circuits you must investigate for and correct the problem. Failure
to correct an electrical ground fault condition may result in electrocution
Maintenance for the model 960-401
FIRST DISCONNECT THE MACHINE FROM ITS AC POWER SOURCE.
* Every thirty days check the v-belt (P/N 429) tension. If you can hear the belt “slap” the v-belt guard (P/N
928-4) when the drive motor starts, the v-belt may require re-tensioning. Do this by loosening the two nuts
(P/N 39) that secure the motor to the v-belt guard (P/N 928-4) and slide the guard forward. Tighten the two
nuts (P/N 39).
* Daily vacuum or otherwise remove dust and debris build-up from the machine and the machine belt track.
* Routinely inspect for loose screws and other hardware and tighten as required.
* If the rear wheel assembly (945) does not operate smoothly it may require lubrication. To re-lubricate you
must disassemble the 945, clean it with a mild solvent, and greaser it lightly with a good grade of marine
bearing grease such as NLGI type GC-LB intended for water bathed applications. Do not use ordinary
bearing grease as the water used in your glass(i.e.) grinding process will dilute the grease making it
ineffective.
There are a no other maintenance actions required. All bearings is a sealed for life and require no additional
lubrication.
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