Rp6 Carrying Strap Rr; Rp7 Liquid Contents/Level Indicator Test; Rp8 Liquid Contents/Level Indicator Rr - CAIRE Companion C1000 Technical & Service Manual

XI
Troubleshooting & Repair Procedures
RP6 – Carrying Strap RR
1) Remove the covers (RP4) and top bezel (RP5).
2) Use a small screwdriver to remove the outermost E-clip
from the pivot shaft. Remove the pivot shaft.
NOTE: Some older models may contain hitch pins in place of
the E-clips. If the unit has hitch pins, it will also contain a differ-
ent pivot shaft.
3) Remove the carrying strap from the portable
4) Install the carrying strap by reversing steps 1-3.
RP7 - Liquid Contents/Level Indicator Test
NOTE: Disconnect the plastic buckle in the carrying strap before
performing the following steps. The C1000/T side covers must
be in place when performing this test.
1) Place the C1000/T on a table and hold it down while gently
pulling up on the end of the carrying strap nearest the con-
tents indicator.
2) Verify that the indicator operates smoothly and without
binding
3) C1000T Only – Verify that "Transport" is present on the in-
dicator dial.
4) Suspend the unit by the end of the carrying strap nearest the
contents indicator. Verify that the needle appears in the red
EMPTY region at the end of the indicator window.
5) Fill the unit with liquid oxygen. Suspend the unit by the end
of the carrying strap nearest the contents indicator. Verify
that the needle is in the upper portion of the green FULL re-
gion.
RP8 - Liquid Contents/Level Indicator RR
1) Remove the carrying strap (RP6).
2) Loosen and remove the four socket head cap screws from
the base of the contents indicator weight scale mechanism.
Remove the contents indicator assembly.
3) While holding the lever down, remove the hitch pin from the
end of the spring rod.
Figure 11
4) Remove the lever spacer, the spring, and the spring rod.
5) Use a medium-blade screwdriver to remove the four pan
head screws from the indicator. Remove the four screws and
the four upper spacers from the indicator.
Figure 12
6) Pry the lens cap away from the base.
7) Remove the indicator needle from the base
Figure 13
8) Use a small screwdriver to remove one E-clip from the pivot
shaft. Remove the lever.
Figure 14
9) Reassemble and install the contents indicator by reversing
steps 1-8.
NOTE: Be sure to lubricate the O-ring with a small amount of
Krytox grease. This allows the helix to easily rotate in the indica-
tor.
NOTE: Be sure to put the weight scale mechanism in the proper
orientation. The slotted hole in the mounting bracket should be
next to the flow control valve.
Companion Portable Technical Service Manual • PN 20562220 Rev B
32