5 maintenance instructions – SIGMA 150Ci User Manual
Page 35
4.5
MAINTENANCE INSTRUCTIONS
Annual maintenance for the Model 880 Delta, Model 880 Sigma
and Model 880 Elite exposure devices
Tools required for Model 880 complete maintenance
● 5
/
32
in Allen wrench for the 10-32 socket head lock mount and selector-ring screws.
● 3
/
32
in Allen wrench for the socket head plunger lock screw.
●
Number 30 drill bit and pop-rivet gun for removal and installation of
1
/
8
in s/s rivets.
●
Tamperproof tool bit for back plate and front plate
5
/
16
in-18 screws.
●
Calibrated torque wrench (in/lb) for locking mechanism's socket head screws.
●
Small slot screwdriver for source identification tag 6-32 screws.
●
U-tool (part no. SK1761) for functional checks of locking mechanism.
●
Model A424-9 XL mock source assembly and short length control cable for
operational tests after servicing.
Materials required for Model 880 complete maintenance
●
Mil-Spec grease MIL-G-23827B or C, MIL-PRF-23827C
(or equivalent radiation resistant grease).
●
Temporary Locktite™ or Vibratite™ thread sealant.
●
Recommended solvents for cleaning and degreasing operations: clean mineral spirits.
(Follow manufacturers safety precautions for use, handling, storage and disposal.)
●
Clean lint-free rags.
●
12-gauge gun patches or any lint-free cloth for cleaning the ‘S’ tube.
●
Large pan for use in cleaning and degreasing the remote control cable and
mechanical parts.
●
Stainless steel, brass or synthetic bristle brush to be used during degreasing and
cleaning of parts.
●
Light viscosity oil, such as 3-in-1™ oil to lubricate plunger lock.
●
Model 880 label and 4 x
1
/
8
in stainless steel rivets.
●
Permantex™ anti-seize thread lubricant.
●
Lock mount, rubber sleeves - 4 x part number SLV005.
●
Replacement springs for the locking mechanism -
1 x compression spring part number SPR006,
1 x compression spring part number SPR005,
2 x compression springs part number SPR004.
●
Replacement springs for the outlet port -
2 x compression springs part number SPR033.
●
Bayonet-type source guide tube for operational tests of the outlet port.