CAMCORP Blower Package with Sutorbilt Blower - Manual (Page 40)

SB-7-621 Page 27
8. Remove mounting foot (17) from the drive headplate (24) by removing the capscrews (16).
9. Remove the capscrews (21) which secure the drive headplate (24) to the impeller case (22).
10. Using the puller plate shown on page 23, bolt to the drive headplate using the tapped holes used to secure
the drive cover.
11. Install a gear puller to each shaft and attach puller arms to the plate. Turn each puller only half a revolution
at a time keeping the advance of the shafts as uniform as possible (see Figure 6-4). After the headplate has
been removed, detach the puller plate.
12. .Remove the two drive end bearings (15) from the drive headplate (24) using a ball peen hammer and punch
(see Figure 6-5, page 26).
Exercise care not to damage the headplate bearing bores when removing bearings.
13. The grease seals can now be driven out of the drive headplate with hammer and punch (see Figure 6-5,
page 26). Discard the seals as they will not be reused. Replace grease seals each time the headplate is
removed.
NOTICE
Seals and bearings should be replaced during overhaul as a matter of service policy.
FIGURE 6-6
14. Remove the four cap screws (10), which fasten the bearing retainers (12) to the gear headplate.
15. Attach puller plate to the gear headplate using the tapped holes used to secure the bearing retainers.
16. Install a gear puller to one of the shafts and attach puller arms to the plate (see Figure 6-6).
17. Remove mounting foot (17) from the gear headplate by removing 4 capscrews (16).
18. Push the impeller shaft through the gear headplate and remove the impeller assembly(23) (see Figure 6-6).
Remove the other impeller assembly following the same procedure.
19. Remove the cap screws (21) securing the gear headplate to the impeller case. Located near each dowel pin
on the headplate is a threaded hole. Insert a 5/16-18 UNC capscrew into each of the threaded holes.
Tighten the screws evenly until the headplate separates from the impeller case.
20. Remove the two gear and bearings (14) from the gear headplate (18) as done in step 12.
21. Remove the oil seals (15) from gear headplate (19) as done in step 13.