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2 portamatic ® cat. No. 421 specifications etl listed: control number 9801577 us patent numbers: 6,095,392 & d419,048 fastener type: use only porta-nails* operating pressure: 90 p.S.I. (see operating instructions pg. 7) firing mode: hammer actuated jam clearance: hinged lever type, quick release gat...
3 safety instructions 1. Know your power tool read the owner's manual carefully. Learn its applications and limitations as well as the potential hazards specific to this tool. 2. The operator and all other personnel must wear proper eye and ear protection in the work area. Wear safety goggles at all...
4 applications your model 421 portamatic® nailer is designed for face nailing and angle nailing 9/16”, 25/32”, and 33/32” hardwood tongue and groove flooring. (see shoe accessory applications section) portamatic ® accessory shoe applications figure 1 figure 2 face nailing accessory shoe cat. No. 501...
5 figure 3 figure 4 tongue nailing 3/4” flooring tongue nailing 9/16” flooring shoe p/n 50125 shoe p/n 50125 shoe base p/n 50115 shoe base and pad shoe pad p/n 50114 accessory p/n 50246 shoe changing conversion to and from face nailing figure 5 tongue and groove flooring shoe cat. No. 50111 figure 6...
6 nailing tongue and groove flooring using the portamatic® nailer 1. Install the face nailing shoe on the portamatic® nailer (see shoe changing section pg. 5 figure 6). 2. After squaring the floor and allowing for expansion as recommended by the wood flooring industry (nwfa, nofma and mfma), place t...
7 operating instructions safety requirements 1. Wear safety glasses and safety shoes for protection against foreign objects. 2. Never use a hammer with a loose head or splintered handle. 3. Use only nails from porta-nails, inc. 4. Air supply hoses should have a minimum working pressure rating of 150...
8 loading the tool insert nails into the nail track and pull back the pusher bracket (ref. No. 19 pg. 17) to provide pressure against the nails. Important! For proper operation, never use the portamatic® nailer with less than a 2 inch stack of nails remaining in the nail track. Operation 1. After co...
9 clearing a jam 1. In the event of a jam, the gate (ref. No. 22 pg. 17) can be opened by pulling the gate clip upward. (see figures 7 and 8) (the shoe does not have to be removed to open and close the gate.) 2. Immediately disconnect from power source until jam is cleared! 3. Once gate is open, cle...
10 repair and maintenance if air is leaking from the nailer disconnect immediately! If air is leaking from the nailer, inspect to make sure main housing or extension handle is not cracked or damaged. If main housing and extension handle are not damaged, the head gasket or an o-ring may need to be re...
11 if the seal is damaged or has separated from the main valve, replace main valve. The seal and main valve have been assembled permanently at the manufacturing facility and can not be repaired in the field. 5. Inspect other o-rings as described in “replacing o-rings” section figures 12-16 to ensure...
12 figure 13 cylinder discharge valve o-ring is used on the o.D. Sealing groove. O-ring is used on the i.D. Groove of the cylinder discharge valve. Grease o-rings. Figure 14 valve body o-ring is used on the sealing groove of the valve body. Grease o-ring. Figure 15 driver blade & piston assembly o-r...
15 replacing the driver blade/piston assembly 1. Remove extension handle from main body and main valve housing. 2. Remove main valve housing screws (4) and remove main valve housing. 3. Remove piston assembly from the cylinder. 4. Check that the driver blade is tightly held and does not move freely....
14 accessories the testing of this tool has been accomplished with the following accessories. For safest operation, it is recommended that only these accessories be used with this product. Warning- since accessories other than those listed have not been tested with this product; use of such accessor...
15 ref. Part no. No. Description 1. 1575 screw–handle/valve housing (2 ea.) 2. 1589 screw – handle / body (2 ea.) 3. 50280 washer – return spring 4. 50010 screw – shoe / body (2 ea.) 5. 50294 cylinder cushion ring 6. 50012 head gasket 7. 50013 cylinder exhaust valve 8. 50018 spring - return 9. 50019...
16 35. 50126 screws – valve housing / body (4) w/ 4 washers (ref. 44) 36. 50330 piston / driver blade & o-ring assembly 37. 50134 spring pin – constant force spring / spools 38. 50415 knurled pusher pull 39. 50140 safety stem 40. 50142 cover – safety 41. 50152 main valve assembly & o-rings 42. 50177...
17 24 25 16 38 19 27 28 26 29 20 18 37 17 43 39 45 35 1 2 53 15 2 1 5 12 46 44 40 10 42 50 32 50 51 31 50 22 49 14 6 23 21 34 4 11 7 9 48 33 36 52 30 47 54 3 13 8 41.
18 421 portamatic® trouble shooting problem or question cause corrective action nailer is jamming more than one nail trying to get into chamber. Check rail (ref. #26) for wear on the end. If worn, turn rail around to use other end in guide or replace the rail. Make sure pusher provides positive push...
19 driver blade (ref. #36) could be bent check and replace if needed. Oil could have been used in the tool clean, replace o-rings and grease as recommended in the owner’s manual ram is stuck in down position cylinder cushion ring (ref. #5) could be loose or damaged check cylinder cushion ring (ref. ...
