background image

Spacer

Key

24mm

Nut

Cutterhead 

Pulley

Figure 18. Cutterhead pulley assembly.

Figure 19. Drive belt cover location.

Figure 20. Gearbox locating pin alignment.

Alignment 

Holes

Locating 

Pins

Figure 21. Speed selector rod and "U" bracket.

"U" 

Bracket

Speed 

Selector Rod

Positioning

Pin

-6-

D4934 13" Helical Cutterhead Instructions

8.  Seat 6204-2NSE ball bearing into right 

bearing bore using threaded cutterhead end 

as an alignment guide.

9.  Use 40mm deep well socket or wood 

block to gently tap bearing into bore until 

retaining ring groove is visible and bearing 

is flush with internal carriage wall.

10. Re-install retaining ring into bearing bore.

11. Insert wood board between cutterhead and 

cutterhead carriage. Verify cutterhead no 

longer rotates.

12. Install spacer, key, and cutterhead pulley 

onto cutterhead end (see 

Figure 18).

13. Re-install 24mm hex nut onto cutterhead 

pulley.

14. Remove hex bolt and install helical pinion 

gear.

15. Remove wood board.

16. Remove drive belt cover located on right 

side (see 

Figure 19) and verify that drive 

belt is centered on drive wheel.

17. Gently stretch drive belt over cutterhead 

pulley while slowly rotating pulley 

clockwise until belt is centered.

 Note: Drive belt and pulley wheels have 

grooves along their surface for alignment.

18. Verify drive belt is centered on cutterhead 

and drive pulleys before re-installing drive 

belt cover.

19. Turn speed selector switch clockwise to 

speed "2".

20. Re-install gearbox by aligning both locating 

pins on gearbox assembly with both 

alignment holes on planer (see 

Figure 20).

21. While installing gearbox, confirm that "U" 

bracket attached to speed selector switch 

engages with positioning pin on gearbox 

speed selection rod (see 

Figure 21).

 Note: If gearbox 

does not

 fully seat during 

Steps 20–21

, slowly rotate cutterhead 

pulley back-and-forth to re-align helical 

pinion gear with gearbox.

Summary of Contents for D4934

Page 1: ...ours Read these instructions thoroughly before beginning These instructions make reference to many procedures detailed in your planer manual Always consult your manual for these procedures We strongly recommend using the new replacement bearings included with the D4934 even if the existing bearings appear to be in good condition Call Technical Support at 360 734 3482 if you need help Recommended T...

Page 2: ...utterhead 1 DISCONNECT MACHINE FROM POWER 2 Use T 30 Torx driver included with DW735 X to remove screws holding top cover see Figure 2 3 Remove red wing nuts holding dust shroud and set aside see Figure 3 4 Rotate dust shroud away from cutterhead so alignment arrow on fan housing aligns with OPEN line on dust shroud as shown in Figure 4 5 Pull dust shroud away from fan housing and remove CAUTION C...

Page 3: ...wly rotating cutterhead pulley counterclockwise and pulling belt off Use rear roller to secure belt after removal 17 Cover table under cutterhead carriage with scrap cardboard to protect surface from dropped parts tools 18 Press cutterhead lock lever and rotate cutterhead until T 30 Torx screws are visible on knife clamp see Figure 8 19 Remove screws securing knife clamp Note T 30 Torx driver incl...

Page 4: ... speed selector switch to speed 2 26 Pull gearbox out and rest it on planer mount Note Gearbox speed selection rod and positioning pin will prevent gearbox from being completely removed from planer Secure gearbox to planer with tape or rope to prevent it from shifting during disassembly 27 Insert a wood board at least 12 in length between cutterhead and cutterhead carriage see Figure 11 Verify cut...

Page 5: ...r dirt 3 Lower cutterhead into carriage while guiding threaded end through right bearing bore see Figure 16 4 Install 5 16 18 x 2 hex bolt into helical pinion gear threads 5 Seat 6202 2NSE ball bearing into left bearing bore using hex bolt as an alignment guide 6 Use 31mm deep well socket or wood block to gently tap bearing into bore until retaining ring groove is visible and bearing is flush with...

Page 6: ...e install 24mm hex nut onto cutterhead pulley 14 Remove hex bolt and install helical pinion gear 15 Remove wood board 16 Remove drive belt cover located on right side see Figure 19 and verify that drive belt is centered on drive wheel 17 Gently stretch drive belt over cutterhead pulley while slowly rotating pulley clockwise until belt is centered Note Drive belt and pulley wheels have grooves alon...

Page 7: ...l sprockets and chain on front and rear rollers see Figure 22 27 Re attach spring to chain tensioner Verify tensioner is engaged with chain as shown in Figure 22 28 Re install retaining rings on front and rear rollers see Figure 22 29 Re install gearbox cover 30 Re install sprockets and chain on front and rear rollers in pulley area see Figure 23 31 Re install chain tensioner and re attach spring ...

Page 8: ...d cutterhead will slightly raise the insert making noticeable marks on your workpieces the next time you plane 6 Lubricate Torx screw threads with a light machine oil wipe excess oil off threads and torque screw to 48 50 inch pounds 7 Return planer to its original configuration by performing Steps 33 38 of Installing Helical Cutterhead instructions Accessories D4297 Indexable Carbide Inserts 10 pa...

Reviews: