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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
/
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.
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Small slot screwdriver for source identification tag 6-32 screws.
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U-tool (part no. SK1761) for functional checks of locking mechanism.
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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.)
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Clean lint-free rags.
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12-gauge gun patches or any lint-free cloth for cleaning the ‘S’ tube.
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Large pan for use in cleaning and degreasing the remote control cable and
mechanical parts.
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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.
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Model 880 label and 4 x
1
/
8in stainless steel rivets.
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Permantex™ anti-seize thread lubricant.
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Lock mount, rubber sleeves - 4 x part number SLV005.
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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.