Lubrication; Product Precision - Hitachi C 12LDH Technical Data And Service Manual

11-7. Lubrication

Advise the customer to lubricate the machine as indicated below at least once a month. Also, prior to applying
lubrication, any sawdust, dirt or other foreign matter should be thoroughly wiped away with a soft cloth.
(1) Swiveling section of the Gear Case [246] and the Hinge Ass'y [43]
Coat the swiveling and sliding portion of the Gear Case [246] and the Hinge Ass'y [43] with machine oil.
(2) Vise ass'y section
Coat the screw thread portion of the Knob Bolt [135] of the Vise Ass'y [134] with machine oil.
(3) Swiveling section of the Turn Table Ass'y [108] and the Hinge Ass'y [43]
Coat the swiveling and sliding portion of the Turn Table Ass'y [108] and the Hinge Ass'y [43] with machine oil.
(4) Turning section of Fence (A) [172] and Sub Fence (A) Ass'y [169]
(5) Turning section of Fence (B) [150] and Sub Fence (B) Ass'y [155]

11-8. Product Precision

On completion of reassembly, confirm precision tolerances.
Run-out of dummy disc
Squareness between base and fences (A) and (B)
Flatness between fence (A) and fence (B)
Squareness between dummy disc and fences (A) and (B)
Squareness between dummy disc and turn table
Surface alignment of base and turn table
(Use the upper surface of the base as a reference.)
Item
Fig. 57
--- 41 ---
Tolerance
0.2/280 (0.008"/11")
0.2/height of fence (0.008"/height of fence)
0.2 (0.008")
0.2/100 (0.008"/4")
0.2/100 (0.008"/4")
+ 0.2 ( + 0.008")
-- --
0.1 ( 0.004")
(Unit: mm)