Head Gear; On And Off; Inspection - 3M Versaflo TR-300 Series User Instructions

PAPR assembly to comfortable positions.
10. Clip the left and right front suspender hooks into the left and right front "D" rings respectively. Clip the left and right
rear suspender hooks into the left and right back "D" rings respectively. Adjust suspenders for a comfortable fit.

Head gear

Refer to the headgear User Instructions for information on attaching and donning the headgear to be used.

On and Off

To turn on the TR-300 motor/blower, press the power button (Fig. 11) on the top of the motor/blower. The unit will
perform a self diagnostic. The green power on (Fig. 12-1), amber low battery (Fig. 12-2) and red low flow (Fig. 12-3)
LEDs will flash 2 to 3 times and alarms will sound during this time. To turn off the motor/blower, press and hold power
button for 2 seconds.
Fig. 11

INSPECTION

Always correctly use and maintain the filter assembly. Failure to do so may reduce respirator performance,
overexpose you to contaminants, and may result in sickness or death.
a. Inspect filter and bottom gasket(s) before first installation or reinstallation of a filter, replace if damaged.
b. Always properly install the filter into the blower unit.
c. Keep bottom sealing gasket(s) clean.
d. Never attempt to clean filter by knocking or blowing out accumulated material. Doing so will damage the filter
media.
e. Store the filter as described in these User Instructions within the recommended storage temperature
conditions and observe filter expiration dates.
Failure to follow these User Instructions may reduce respirator performance, overexpose you to
contaminants, and may result in injury, sickness, or death.
a. Do not use with parts or accessories other than those manufactured by 3M as described in these User
Instructions or on the NIOSH approval label for this respirator.
b. The TR-300 PAPR assembly is one component of an approved respiratory protection system. Always read
and follow all User Instructions supplied with your 3M™ headgear and other system components in order to
ensure correct system operation.
Before each entry into a contaminated area, the following inspection must be performed to help ensure proper function
of the respirator system. Refer to the specific Assembly subsection of these User Instructions for proper assembly
procedures.
NOTE: There are no user serviceable parts inside the TR-300 PAPR assembly. The motor/blower unit must not be
opened to attempt repairs.
1. PAPR system: Visually inspect the entire PAPR system including the motor blower, cover, filter, breathing tube,
battery pack, belt, headgear. If parts are missing or damaged, replace them only with 3M TR-300 replacement
parts before proceeding.
2. Battery pack: Confirm that the battery pack is fully charged and charge is sufficient for duration of the work period.
The battery pack must be securely latched to the motor/blower.
3. Breathing tube: Examine the entire breathing tube for tears, holes or cracks. Bend the tube to verify that it is
flexible. Ensure the o-rings located at both ends of the breathing tube (i.e. headgear and air source connections)
are present and not damaged. The breathing tube should fit firmly into the air source connection.
4. HE filter:
° Inspect filter and seal for dirt, tears, cuts, distortion or indentations. If needed, the seal can be cleaned with fresh
water - do not use soaps or solvents. Do not immerse or attempt to clean the HE filter itself. Replace HE filter if
any damage is noted or suspected.
° Ensure the HE filter is properly installed in the PAPR unit and that the cover latch is secure per these User
Instructions. The HE filter label must be visible in the cover window (Fig. 11). The HE filter may be stored in place
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