to operate your stapler: 1. install the correct base plate for your size of flooring material. 2. Connect the air supply to the quick connect fitting. 3. place the stapler on the pre-positioned flooring as shown in figure 3, making sure the cleat on the bottom of the stapler is lined up with the edge of the groove in the flooring. figure 3. operating stapler. 4. using the included mallet, hit the whack cap with light/medium force to shoot a staple into the wood. 5. Check the staple for proper depth and placement. — if the depth is satisfactory, then proceed with your project. — if the depth is too shallow, then slightly increase the air pressure and repeat steps 3–5. — if the depth is too deep, then slightly decrease the air pressure and repeat steps 3–5. Model h5977 (Mfg. since 2/07) -7 clearing Jammed staples cleaning stapler this stapler may accidentally fire if you work on it without disconnecting it from the air supply. always disconnect air from stapler whenever clearing a jammed staple! to clear a jammed staple from the discharge area on the model h5977: 1. disconnect the stapler from the air supply! 2. pull the magazine loader all the way back and remove the staple stick. 3. the jammed staple should now be visible; remove it from the discharge area with needle nose pliers. vapors from cleaning with gasoline or flammable liquids could ignite and cause an explosion. never use highly flammable liquids to clean the stapler and thoroughly dry all cleaned parts before reassembling or operating. use a good solvent to clean the nose assembly of the stapler. always be sure that the stapler is dry before using it again. do not allow dust, chips, sand, etc. into the air connectors or into the body of the stapler; this may result in leaks and damage to the stapler and the air couplings. -8- Model h5977 (Mfg. since 2/07) notes Model h5977 (Mfg. since 2/07) -9 h5977 part breaKdoWn 135 133 137 136132131 130 138 129 128 127 165 134 126125 124 166 123 122 139 151 138 137 119 152 150 153 118 148 154 115 117 114 146 116 145 156155 113 147 112 143 149 142 111 157 141 110 109 140 144 109-1 105 134 108 104 103 158 107 161 159 162 101 106 160 163 -10-Model h5977 (Mfg. since 2/07) REF PART # DESCRIPTION REF PART # DESCRIPTION 101 PH5977101 CYLINDER 103 PH5977103 BUMPER 104 PORP050 O-RING 49.7 X 3.5 P50 105 PH5977105 DRIVER 106 PRP07M ROLL PIN 6 X 20 107 PSS31M SET SCREW M5-.8 X 8 108 PH5977108 PISTON POLE 109 PH5977109 PISTON CAP 110 PORP012-5 O-RING 12.3 X 2.4 P12.5 111 PH5977111 O-RING 32 X 4.5 112 PH5977112 SEALING SLEEVE 113 PH5977113 O-RING 12.8 X 1.8 114 PH5977114 SEALING CAP 115 PH7826115 O-RING 15.6 X 1.8 116 PH5977116 GUN BODY 117 PH5977117 HANDLE GASKET 118 PH5977118 END CAP 119 PCAP39M CAP SCREW M4-.7 X 20 122 PH5977122 CYLINDER GASKET 123 PH5977123 SLEEVE GASKET 124 PORP046 O-RING 45.7 X 3.5 P46 125 PH5977125 PISTON SEAT 126 PLW02M LOCK WASHER 4MM 127 PCAP16M CAP SCREW M4-.7 X 16 128 PS56M PHLP HD SCR M4-.7 X 16 129 PH5977129 EXHAUST COVER 130 PH5977130 CYLINDER COVER 131 PCAP09M CAP SCREW M5-.8 X 17 132 PORP025 O-RING 24.7 X 3.5 P25 133 PH5977133 WHACK CAP 134 PW02M FLAT WASHER 5MM 135 PH5977135 HANDLE 136 PH5977136 HANDLE GRIP 137 PLN04M LOCK NUT M8-1.25 138 PW01M FLAT WASHER 8MM 139 PH5977139 L-BOLT 140 PH5977140 CYLINDER HEAD SEAT 141 PH5977141 NAIL GUIDE COVER 142 PH5977142 NAIL GUIDE 143 PH5977143 DRIVER GUIDE 144 PH5977144 NAIL GUIDE SCREW 145 PH5977145 LOADER 146 PH5977146 RIVET 4 X 8 147 PH5977147 IDLER WHEEL 148 PH5977148 LOADING SPRING 149 PH5977149 KEEPER 150 PORS003 O-RING 2.5 X 1.5 S3 151 PH5977151 SPRING LEVER 152 PH5977152 SPRING 153 PH5977153 SPRING PIN 154 PH5977154 STUD M8-1.25 X 10 155 PH5977155 MAGAZINE PIN 156 PRP05M ROLL PIN 5 X 30 157 PH5977157 LOADING HANDLE 158 PCAP95M CAP SCREW M5-.8 X 30 159 PH5977159 RUBBER BUTTON 160 PH5977160 BASE 161 PH5977161 WASHER 162 PCAP29M CAP SCREW M6-1 X 40 163 PH5977163 BASE PLATE 1/2 IN. FLOORING 164 PFH02M FLAT HD SCR M6-1 X 12 165 PH5977165 MALLET 166 PH5977166 AIR PLUG 1/4 NPT Model h5977 (Mfg. since 2/07) -11 troubleshooting air leaking from stapler body assembly joint. problem 1. Fasteners loose. 2. Worn/damaged o-rings or gaskets. cause 1. tighten. 2. replace. action air leaking between housing and hose. 1. loose air fitting. 2. loose screws in housing. 3. damaged o-ring. 1. tighten air fitting. 2. tighten screws. 3. replace o-ring. tool skips staples while discharging. 1. air leaks. 2. dirt in nose. 3. dirt or damage prevents staples from moving freely in magazine. 4. inadequate air flow to tool. 5. Worn o-ring on piston or lack of lubrication. 6. damaged o-rings on trigger valve. 7. Worn bumper. 8. Cap seal leaking. 1. tighten screws and fittings. 2. Clean nose. 3. Clean magazine and inspect/repair damage. 4. Check fitting, hose, compressor & air pressure. 5. replace piston o-ring. lubricate. 6. replace trigger valve o- rings. 7. replace bumper. 8. replace cap seal. tool fires slowly or has a loss of power. 1. air pressure low 2. stapler is not ...