SCOTT Protege - Maintenance; Battery; Sensor Replacement

Protégé Portable Gas Monitor
Instruction Manual
51 of 61
P/N 087-0038 Rev. J 02/10
5. Maintenance
5.1. Battery
The Protégé comes installed with a rechargeable lithium ion battery that must be replaced at the
factory if needed. Contact Scott Health & Safety if needed.
5.2. Sensor Replacement
Protégé units will come installed in one of four sensor configurations.
A single unit will come installed with an LEL sensor.
A 2 gas unit will come installed with an O
2
sensor and an LEL sensor.
A 3 gas unit will come installed with an O
2
sensor, LEL sensor and either a CO or H
2
S sensor.
A 4 gas unit will come installed with an O
2
sensor, LEL sensor, and a dual tox H
2
S/CO sensor.
Sensors may be replaced with like sensors or dummy plug with another dummy plug. Dummy plugs
and sensors are not interchangeable.
Using a dummy plug, the Protégé can be configured with an O
2
sensor and LEL sensor, or just an
LEL sensor.
To replace a sensor, perform the following.
Equipment Required
• Replacement Sensor or Dummy Plug
• T8 Torx Driver
1) Set or verify the Protégé is turned off.
2) Unscrew and remove the 7 Torx head screws from the back of the Protégé. Refer to Figure
5-1.
Figure 5-1. Removing Protégé Cover