Cincinnati 1a lo - Page 14

CINCINNATI NO. 1 TOOLMASTER MILLING MACHINE
DISMANTLING PROCEDURE
FIGURE 13
Removing V-Belt Housing
To Remove V-Belt Housing: Styles 1-A, 1-B.
(See Page 28 and Figure 13.)
1. Loosen timing belt by loosening two socket
head screws (33B) and turning knurled knob
(43B).
2. Attach a two-point suspension sling (with pad
ded hooks) to the top flanges above side open
ings in housing (19B). Remove two socket
head screws (33B) and two washers (34B).
Lift housing straight up, slowly, and be cer
tain timing belt (9B) comes free of driven
pulley (22B) as V-belt housing is separated
from spindle housing.
NOTE — If the V-belt housing is to be moved any
distance from the machine, it will be necessary to
break electrical connections at junction box on
motor.
To Remove V-Belt Housing: Style 1-D.
(See Page 54.)
1. Loosen four capscrews (66B) and remove two
capscrews (99B). Rig a two-point suspension
sling with padded hooks and attach hooks to
flanges above side openings in V-belt housing
(58B). Remove slack from lifting cables.
2. Remove four capscrews (66B) and washers
(67B). Lift housing (58B), slowly, until it is
clear of drawbar (210B, page 58).
When reassembling, be certain key (93B) does
not fall out of keyway in helical gear (98B) or
power will not be transmitted to spindle.
NOTE — If V-belt housing is to be moved any
distance from the machine, it will be necessary to
break electrical connections at junction box on
motor.
13:
To Remove V-Belt Housing: Style 1-E.
(See Page 56.)
1. Remove two screws (117B) and remove brake
assembly from side of motor housing.
2. Loosen four capscrews (127B) and remove two
capscrews (146B). Rig a two-point suspension
sling with padded hooks and attach hooks to
flanges above side openings in V-belt housing
(107B). Remove slack from lifting cables.
Remove four capscrews (127B) and washers
(128B). Lift housing (107B), slowly, until it
is clear of drawbar (210B, page 58).
When reassembling, be certain key (144B)
does not fall out of keyway in helical gear
(143B) or power will not be transmitted to
spindle.
NOTE — If V-belt housing is to be moved any
distance from the machine, it will be necessary to
break electrical connections at junction box on
motor.
To Remove Splined Spindle Sleeve:
Styles 1-A, 1-B.
(See Page 28.)
1. Remove V-belt housing per instructions above.
2. Turn driven pulley (22B) until two capscrews
(25B) are accessible through holes in pulley.
Remove two capscrews (25B). Turn pulley
90° until remaining two capscrews (25B) are
accessible and remove capscrews.
3. Lift bearing housing (12B) from top of spindle
housing.
4. Remove screw (6B) and loosen screw (7B) in
locknut (20B). Loosen and remove locknut
(20B). Tap splined spindle sleeve (29B) out
of bearing housing (12B).
To Remove Drive Spindle Assembly: Style 1-A.
(See Page 30.)
1. Proceed as per instructions above under "To
Remove V-Belt Housing" and "To Remove
Splined Spindle Sleeve. "
2. Unscrew hub retainer (86B) that is attached to
spring pin (84B), spring (85B) and spring re
tain er screw (100B). Lift off handle hub
(83B) and dial (82B). Loosen spindle clamp
(65B).
3. Tape a small rag to the exposed end of pinion
shaft (78B) to protect shaft when spring un-
Publication No. M-2109