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

●5/32in Allen wrench for the 10-32 socket head lock mount and selector-ring screws.

●3/32in Allen wrench for the socket head plunger lock screw.

●Number 30 drill bit and pop-rivet gun for removal and installation of 1/8in s/s rivets.

●Tamperproof tool bit for back plate and front plate 5/16in-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 1/8in 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.

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