Jet GH-1640 ZX Operating Instructions Manual page 14

Daily apply oil:
DIN 51502 CG ISO VG 68
(e.g. BPMaccurat 68, Castrol Magna BD 68, Mobil Vectra 2)
- Longitudinal handwheel
Lubricate 1 ball oiler (A, Fig 24)
- Top slide
Lubricate 4 ball oilers (B)
- Cross slide
Lubricate 1 ball oiler (C)
- Lead screw and feed rod
Apply oil on entire length.
Fig 24
- Lead screw/ feed rod hub
Lubricate 2 ball oilers (A, Fig 25)
- Tailstock
Lubricate 1 ball oiler (A, Fig 26)
8.4 Slide adjustments
Each slide is fitted with tapered gib.
Loosen the rear gib screw (A, Fig 27 for top slide shown) by
one turn.
Tighten front gib screw (B, Fig 27 for cross slide shown)
appr. a quarter turn.
Try and repeat until slide moves freely without play.
Gently tighten the rear gib screw.
8.5 Shear pin replacement
Lead screw and feed shaft are equipped with shearing pins
to protect the drive against overload.
If a shear pin breaks it must be replaced.
16
Fig 25
26
Fig
Fig 27