Powermatic 1285 User Manual

Operating Instructions and Parts Manual 12” Jointer Model 1285 WMH TOOL GROUP 2420 Vantage Drive Elgin, Illinois 60123 Part No. M-0460

10Switch Arm The arm (Figure 3) on which the push button switch is located is shipped in the down position. The arm should be pivoted to upright posi

11If the jointer is to be hard-wired, make sure the fuses have been removed or the breakers have been tripped in the circuit to which the saw will be

12Adjustments Disconnect jointer from power supply before making adjustments. Drive Belt Tension To check the tension of the drive belts: 1. Remov

132. Place a straight edge on the outfeed table and extending over the cutterhead, as shown in Figure 13. 3. Rock the cutterhead slightly so that a

14Setting Infeed Table Height (Depth of Cut) 1. To set the cutting depth, loosen handwheel (A, Figure 17) by turning counterclockwise. 2. Move tabl

15 5. It is recommended when replacing knives that you clean the knife slots in the cutterhead. Remove the gib along with the gib screws, and remove

16Replacing Knife Inserts (Helical Cutterhead) Jointer knife inserts are very sharp. Use care and proceed slowly when working with or around the cut

17Fence Adjustments The fence (A, Figure 22) tilts backward and forward to 45 degrees. It has a 90-degree stop (B, Figure 22) and a 45-degree stop (C

18To check and adjust the 45-degree stop: 1. Loosen lock handle (D, Figure 22) and tilt fence until it contacts the 45-degree stop (C, Figure 22).

19Hand Placement At the start of the cut, the left hand holds the workpiece firmly against the infeed table and fence, while the right hand pushes th

2 This manual has been prepared for the owner and operators of a Powermatic Model 1285 Jointer. Its purpose, aside from machine operation, is to prom

20Use push blocks to rabbet cut whenever possible. The rabbeting capacity is 3/4”. 1. Disconnect machine from power source. 2. Set fence for desire

21Maintenance Disconnect machine from power source before performing any maintenance. Failure to comply may cause serious injury. Check all screws

226. Slide the cutterhead out the rabbeting side. 7. Loosen hex cap screw (A, Figure 33) and remove pulley (B, Figure 33) and key (C, Figure 33). 8

23Whetting Knives (Straight Cutterhead) When knives become dull enough so that it is noticeable when cutting, they should be resharpened or replaced.

24Troubleshooting – Operating Problems Trouble Probable Cause Remedy Finished stock is concave on back end. Knife is higher than outfeed table. Rais

25Trouble Probable Cause Remedy Uneven knife marks on workpiece. Knives/inserts are knicked, or out of alignment. Replace knicked knives/inserts; al

26Trouble Probable Cause Remedy Motor failure. If electric motor is suspect, you have two options: Have a qualified electrician test the motor for f

27Optional Accessories 6292535 12” Jointer Knives (set of 3) 6400013 Carbide Insert Knives for Helical Head (set of 10) PJ1696-011 Rabbet Inserts

28Parts List: Stand Assembly Index No. Part No. Description Size Qty 1...PJ1285-101... Stand...

29Stand Assembly

3 Table of Contents Warranty and Service ...

30Parts List: Table Assembly Index No. Part No. Description Size Qty 1...6292525... Base...

31Table Assembly

32Parts List: Motor Pulley Assembly Index No. Part No. Description Size Qty 1...6292512... Motor...

33Motor Pulley Assembly

34Parts List: Cutterhead Guard Assembly Index No. Part No. Description Size Qty 1...6292581... Ledge, Rabbet ...

35Cutterhead Guard Assembly

36Parts List: Straight Cutterhead Assembly Index No. Part No. Description Size Qty ...6292550... Cutterhead Assembly

37Straight Cutterhead Assembly

38 Parts List: Helical Cutterhead Assembly Index No. Part No. Description Size Qty ...PJ1285-600... Cutterhead Assembly (

39Helical Cutterhead Assembly

4 Warning 1. Read and understand the entire owners manual before attempting assembly or operation. 2. Read and understand the warnings posted on t

40Parts List: Fence Assembly Index No. Part No. Description Size Qty 1...6292592... Support, Fence...

41Fence Assembly

42Electrical Connections – 1 Phase

43Electrical Connections – 3 Phase

44 WMH Tool Group 2420 Vantage Drive Elgin, Illinois 60123 Phone: 800-274-6848 www.wmhtoolgroup.com

5 blahblahblah 19. Keep visitors a safe distance from the work area. Keep children away. 20. Make your workshop child proof with padlocks, master sw

6 36. Before attempting to joint or plane, each work piece must be carefully examined for stock condition and grain orientation. NOTE: At certain tim

7 Introduction This manual is provided by Powermatic covering the safe operation and maintenance procedures for a Model 1285 Jointer. This manual con

8 Unpacking Open shipping container and check for shipping damage. Report any damage immediately to your distributor and shipping agent. Compare the

9 Assembly Tools need for assembly: 10mm hex wrench (provided) 10-12mm combination wrench (provided) forklift or hoist with straps cross-point screw