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Kango 900 Service And Repair Manual

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Summary of Contents for Kango 900

  • Page 2: Service And Repair Manual

    Service and Repair Manual Model 900/950/990 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 9170 0231 30 LONG ALLEN KEY 9170 0232 50 ROCKER PIVOT DRIFT 9170 0234 60 CLUTCH TAIL EJECT BUSH 9170 0737 20...
  • Page 3 The hammer should ONLY be checked for hammer performance if the unit passes the electrical safety test. DISMANTLING Note: In the disassembly instructions numbers Removing starting 200 are Model 900, numbers starting the forward with 300 are Model 950, numbers starting handle (All models,...
  • Page 4 (372). Remove the anvil rings and recoil transfer ring from the anvil. 4. Remove junk ring (373, 240) from driver (372) (Model 950) or anvil sleeve (Model 900) and press out the driver bearing (371) from the transmitter housing.
  • Page 5 Service and Repair Manual Model 900/950/990 1. Remove the buffer housing (354, 233) from the Dismantling hammer casing (346, 228). the buffer housing (All 2. Remove the gaskets (352, 231), (375, 234) and models, buffer housing ring (353, 232) from the buffer Model 950 housing.
  • Page 6 Service and Repair Manual Model 900/950/990 Removing the 1. Remove the retainer circlip (307, 207, 407, 507) connecting and crank pin washer (308, 208, 408, 508). Remove the connecting rod (305, 205, 405, 505). rod (All models, 950 2. Press the big end bearing (309, 209, 409, 509) shown) from the connecting rod.
  • Page 7 4. Remove the crank pin nut (312, 212, 412, 512), screw (306, 206, 406, 506) and crank pin bush (310, 210, 410, 510) Note: The crank pin screw and nut have left- hand threads. (Model 900 & 990 shown) 1 2 1 2 1 1 1 1 Fig. 13 1.
  • Page 8 Service and Repair Manual Model 900/950/990 Dismantling 1. Remove the two end cap springs (174) and two the brushes. outer brush caps (173). (All models) 2. Unscrew the two inner brush end caps (127) and remove the two carbon brushes (128).
  • Page 9 Service and Repair Manual Model 900/950/990 Dismantling 1. Remove the terminal screws (130) and remove the the rear field connections. armature 2. Remove the the top bearing inner race (126) using bearing and service tool No. 9170 0231 50 and lever off the brush ring top bearing shroud (112).

  • Page 10: Assembly

    Service and Repair Manual Model 900/950/990 Dismantling 1. Fit the pinion nut service tool to the pinion (145). the armature CAUTION: During the following operation take assembly (All care to ensure the fan (138) is not damaged by the models) vice jaws.
  • Page 11 At service and repair intervals the lubrication should be carried out as shown in the diagram below. Lubrication (950 model) All parts in the service kit should be fitted. The total amount of grease for the 900 is 170gm., for the 950 model 225gm. Lubrication of the hammer is as shown on the grease charts.

  • Page 12: Torque Settings

    Service and Repair Manual Model 900/950/990 (10gm) Fill using grease gun after assembly (5-10gm) After assembly apply 35- 40gm (5gm) Remaining grease after lubrication of all other parts Place 5gm of (approx. grease on 60gm) piston crown Fill flutes level...

  • Page 13: Electrical Testing

    Ω 0.56 Ω 1.88 Ω 2.57 PERFORMANCE Full Load Hammer Test 100V 110V 120V 220V 240V 900K/B/V 850 - 900 W 950K/S 850 - 900 W Clutch Slip Test 100V 110V 120V 220V 240V 950K/S 1300 - 1400 W Note:-...
  • Page 14 Model 900/950/990 ASSEMBLY - 900/950 Note: In the assembly instructions numbers starting Assembling 200 are Model 900, numbers starting with 300 the armature are Model 950, numbers starting with 400 are (All models) Model 990, numbers starting with 500 are Model 900M in both text and illustrations.
  • Page 15 Service and Repair Manual Model 900/950/990 1. Fit the two terminal housings (131). Assembling the brush 2. Fit the two brush holders (130) into the brush holder (All holder housing (132). Fit the brush holder models) alignment service tool through the brush holders.
  • Page 16 Service and Repair Manual Model 900/950/990 Assembling 1. Fit the two terminal pads (107) to the end plate the motor (105). end plate and 2. Fit the washer (108) to the end plate. Apply 5gm rear handle of grease. (All models) 3.

  • Page 17: Model 900/950/990

    Service and Repair Manual Model 900/950/990 Assembling Note:- Before assembly, follow greasing instructions. 306, 312, 310, 366, the crank 1. Position the motor case (149) in a vice, using soft disc (All metal jaw plates. models, 2. Fit the crank pin screw (312, 212, 412, 512),...
  • Page 18 Service and Repair Manual Model 900/950/990 1. Mount the clutch torque setting rig (Pt No. Adjusting the 9170 0236 50) in a vice and fit the clutch assembly clutch into the rig body with the pinion uppermost. (Model 950 only) 2.

  • Page 19: Models

    Service and Repair Manual Model 900/950/990 Securing the 1. Fit the 19-tooth gear (324) or bearing keeper crank disc (224, 424, 524) to the crank disc shaft. For the (All models, 950 models insert the gear key (326). 950 shown) 2.
  • Page 20 Service and Repair Manual Model 900/950/990 Fitting the 1. Fit the hammer case (346, 228, 428, 528) hammer case vertically in a vice between soft metal jaws. (All models, 2. Lightly grease the hammer case gasket (150) and 950 shown) locate on the hammer case.
  • Page 21 Service and Repair Manual Model 900/950/990 1. Fit the sealing felt (368) (Model 950 only) to the Refitting the nosepiece (367, 247). nosepiece (all models, Note:- Rubber section to hammer case, felt to Model 950SV nosepeice sealing felt (368). shown) 2.
  • Page 22 Service and Repair Manual Model 900/950/990 Assembling 1. Fit the following items and secure using two the SDS latches (557): - lock chuck (558) assembly - lock plate (554) (900MV) - spring (555) - latch plate (556) 2. Fit the following items and secure using wire clip...

  • Page 23: Fault Finding

    Service and Repair Manual Model 900/950/990 WARNING ON COMPLETION OF ASSEMBLY THE UNIT SHOULD BE FLASH TESTED AT 4000 VOLTS. THE UNIT SHOULD BE RUN PREFERABLY AT HALF STATED VOLTAGE FOR 10 MINUTES TO ENSURE CORRECT BEDDING OF BRUSHES. AFTER 10 MINUTES THE UNIT SHOULD BE RUN AT FULL STATED VOLTAGE.

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