Mattress and Seat Systems Service Manual
Testing
Page 50
CHAPTER 5
TESTING
1
Pressure and Function Test
This procedure must be carried out after a service or major repair of a mattress or seat system.
The test equipment in Table 20 is required.
Test Procedure
1.1
Connect a portable inflation test unit to the mattress or seat.
1.2
Fully inflate the mattress or seat, and connect it to a pressure/flow meter.
1.3
Test to the following requirements:
1.3.1
Inflation test pressure:
1.3.1.1
All mattress replacements and overlays - 62 to 70 mmHg.
1.3.1.2
All seat systems - 50 to 60 mmHg.
1.3.2
Inflation stabilization period 30 seconds
1.3.3
Inflation test period 3 minutes
1.3.4
Leak rate must not exceed 3 mmHg
Note:
If the mattress or seat fails the tests, investigate as to the reason why, repair any faults
and re-test in accordance with the test specification.
Table 20 - Pressure and Function Test Equipment
Item
Test Equipment
1
Pressure / Flow Meter
2
Portable Inflation Test Unit
3
Stopwatch
