卧式standard头部.pdf - 第64页

Page 62 T50090901 Rev . F V/S Standard Insertion Head Assembly This Document Supports Assembly 50090901 Rev. D 27. Install the 5/16-18 x 1 1/2 socket head cap screw through the housing and into the tension arm. Do not ti…

Page 61

V/S Standard Insertion Head Assembly T50090901 Rev. F

This Document Supports Assembly 50090901 Rev. D

19. Install the collar clamp on the lead screw and hand tighten the collar

clamp. Secure the collar clamp to the lead screw.

20. Install the coupling on the right end of the lead screw. Secure the cou-

pling to the lead screw with the set screw.

21. Partially slide the upper shaft into the housing. Insert the tooling

housings in position then slide the upper shaft through the ball bush-

ings in the tooling housings. Ensure that the flats of the shaft are fac-

ing front and line up with the set screws used to secure them in place.

Using Loctite 222 on the threads of the two 10-24 x 3/8 set screws, se-

cure the upper shaft to the housing.

22. Install the lower shaft through the tooling housing and the ball bush-

ings in the tooling housings. Ensure that the flats of the shaft are fac-

ing down and line up with the set screws used to secure them in place.

Using Loctite 222 on the threads of the two 10-24 x 3/8 set screws, se-

cure the lower shaft to the housing.

23. Rotate the lead screw in both directions to float the bushings , then

fully tighten the button head screws.

Upper Shaft

Lower Shaft

Set Screw

24. Exercise the pulley assembly by rotating it fully clockwise and coun-

terclockwise. The left and right housings should move from one ex-

treme to the other without restriction. If any restrictions occur go back

to step 1 and review the procedure.

25. Using Loctite 222 on the threads of the 5/16-18 x 5/8 socket button

head screw, install two radial bearings and a thrust washer on the ten-

sion arm assembly.

26. Using Loctite 242 on the threads of the 1/2 x 1/2 shoulder screw, se-

cure the torsion spring and tension arm assembly to the housing using

the shoulder screw.

Page 62

T50090901 Rev. F V/S Standard Insertion Head Assembly

This Document Supports Assembly 50090901 Rev. D

27. Install the 5/16-18 x 1 1/2 socket head cap screw through the housing

and into the tension arm. Do not tighten now, this will be used for later

adjustment.

Socket Button

Head Screw

Socket Head

Cap Screw

Thrust Washer

Radial Bearings

Shoulder Screw

ension

Spring

Tension Arm

28. Using Loctite 222 on the threads of four 8-32 x 1/4 socket button head

screws, install a radial bearing in each chain clip guide and secure the

bearings in the guides using the button head screws.

29. Slide the two lower shafts into the housing so the keyways are facing

forward. Apply a light coat of Kendall Blue Grease on the thrust bear-

ings then, on each lower shaft, install a spacer, thrust washer, thrust

bearing, thrust washer, key, sprocket, retaining ring, chain clip guide

assembly and another retaining ring.

30. Using Loctite 222 on the threads of two 1/4-20 x 5/16 set screws, se-

cure the lower sprockets to the lower shafts using the set screws.

Page 63

V/S Standard Insertion Head Assembly T50090901 Rev. F

This Document Supports Assembly 50090901 Rev. D

Idler Shaft

Lower Shaft

Thrust Washers

Needle Bearing

Spacer

Thrust Bearing

Idler Sprocket

Socket Button

Head Screw

Radial Bearing

Socket Head

Cap Screw

Chain Clip

Guide

Set Screw

Lower Shaft

Thrust Washer

Cam Drive

Key

Retaining

Ring

Retaining

Ring

Chain Clip

Guide (Ref.)

Set Screw

Lower

Sprocket

Thrust

Bearing

Spacer

Thrust Bearings