
TX6377
Sentry Quick Start Guide
4. When required, test external
gas levels. Refit Gas Manifold
to Sentry, ensure Gas Manifold
Ports are pointing downwards
and secure with twoThumb
Screws. Evenly tighten two
Thumb Screws by hand but -
DO NOT OVERTIGHTEN.
5. Press up Black Collar and
remove red Gas Manifold
Port Plug fitted to each of two
Gas Manifold Ports. Fit end
of Gas Exhaust Hose (plain
hose) to left Gas Manifold
Port (Exhaust). Fit end of Gas
Inlet Hose nearest Manual Gas
Pump to right Gas Manifold
Port (Inlet). Push other ends of
gas hoses through gas sample
aperture in refuge.
6. To operate Manual Gas Pump,
squeeze until empty, release,
allow to refill and squeeze
again. Operate Manual Gas
Pump for a minimum of ONE
minute. If Manual Gas Pump
DOES NOT refill, remove
Inlet Hose Number 1, blow to
remove obstructions, refit Inlet
Hose Number 1 and operate
pump for a minimum of ONE
minute. Check external gas
levels on LCD Screen.
Trolex Limited • www.trolex.com • Page 2 of 3
TX6377-QS-EN-Rev01