Replacement Parts - North 845 Manual De Instrucción De Operación Y Mantenimiento

Every twelve months an operational test should be conduct-
ed to assure that the unit is functioning properly. This test
consists of operating the unit and using a stopwatch to time
the duration of air flow. If the air flow stops in less than 5
minutes for Models 845 & 855 or 10 minutes for Model 850,
when starting with a full air cylinder, the unit should be taken
out of service and the pressure reducing valve replaced.
Additionally, inspect the breathing hood and air hose, replace
any component that exhibits signs of wear, abuse, cracks, or

REPLACEMENT PARTS

ITEM CATALOG NUMBER
NUMBER Model 845
1-3 89993
1 89999
2-2D 89994
2A 89895
2B 89897
2C 89896
2D 89894
2E n/a
3 89995
4-18 89997
4 80898
5 80924
6-18 80877
6 80899
7,9,10,11 80938
8,11,12 80901
13-16 80904
17 80902
18 80980
19 89998
20 89996
Internal Pressure Reducer parts are available only to
Authorized Overhaul Repair Centers.
(See Figure 12.)
Model 850 Model 855
89993 89982
89999 89999
89994 89994
89895 89895
89897 89897
89896 89896
89894 89894
n/a 89984
89995 89995
89990 89985
80897 80897
80924 80924
80876 80876
80899 80899
80938 80938
80901 80901
80904 80904
80903 80903
89983 89983
89998 89988
89991 89989
NOTE
other deterioration. Do not attempt to patch holes or rips in
the hood. Refill the air cylinder and put back into service.
Every year verify the hydrostatic test date stamped on the
air cylinder crown. Aluminum cylinders are to be hydrostati-
cally tested every five years in accordance with their exemp-
tion. See D.O.T. 6498; in Canada, see CTC-SP922. For
information on visual inspection of high pressure aluminum
cylinders, see Compressed Gas Association Publication G-6-
1.
DESCRIPTION
Breathing Hood and Hose Assembly
Breathing Hood
Air Flow Disperser Assembly(includes two plastic flanges and a brass
fitting)
Swivel fitting (hood end)
C-Clip
O-ring
Swivel fitting (hose end)
Muffler assembly (includes muffler cover and clip)
Air Supply Hose Assembly (includes clamps)
Air Cylinder and Valve Assembly
Air Cylinder
O-Ring
Valve Assembly
Valve Body
Chamber Repair Kit
Stem Repair Kit
Handwheel Repair Kit
Pressure Gauge
Burst Disc Assembly
Pressure Reducer (see Note)
Carry Bag