Milwaukee 5339-20 User Manual Page 1

58-92-5305 d1 022005Cat. No. 5339-20SDS Max Demolition HammerCat. No. 5342-20SDS Max Rotary HammerMILWAUKEE ELECTRIC TOOL CORPORATION13135 W. LISBON R

10PAGEINSTRUCTIONSREPAIR58-92-5305 d1Removing the anti-vibration mechanismand the field1 Remove air deflector ring (5).2 Remove screw (4). Remove the

11PAGEINSTRUCTIONSREPAIR58-92-5305 d1MaintenanceGeneral It is recommended that maintenance be performed on the machine at regular intervals or when th

12PAGEINSTRUCTIONSREPAIR58-92-5305 d1Lubrication: Combined drill/chisel hammer (5342-20)

13PAGEINSTRUCTIONSREPAIR58-92-5305 d1Lubrication: Chisel hammer (5339-20)

14PAGEINSTRUCTIONSREPAIR58-92-5305 d1Sequence and torques of the screws:BACDEFGHIJKLMN

15PAGEINSTRUCTIONSREPAIR58-92-5305 d1AssemblyInstalling the anti-vibration mechanismand field1 Install field (6) into motor housing (8) and secure it

16PAGEINSTRUCTIONSREPAIR58-92-5305 d1Installing the gear box cover1 Secure gear box cover (2) with two screws (1) onto the gear box (torque = 3 Nm / 2

17PAGEINSTRUCTIONSREPAIR58-92-5305 d1Assembling the armature1 Press bearing (B) onto armature shaft and install bearing cup (C) into rear bearing bore

18PAGEINSTRUCTIONSREPAIR58-92-5305 d1Installing the motor housing1 Apply Blue loctite® onto four screws (4).Install gear box and armature (5) into mo-

19PAGEINSTRUCTIONSREPAIR58-92-5305 d1Assembling the spindle1 Install thrust washer (C), back-pressure o-ring (B), and thrust collar (A) into spindle (

2PAGEINSTRUCTIONSREPAIR58-92-5305 d1Special Tools Require– Forcing discs 61-10-0011– Hex key 4 mm– Hex key 5 mm– Sleeve 61-10-0013– Pin-type face span

20PAGEINSTRUCTIONSREPAIR58-92-5305 d1SDS Max combined drill/chisel hammer:To check static slip of clutch1 Secure hammer gear box in a machinists vise.

21PAGEINSTRUCTIONSREPAIR58-92-5305 d1Combined drill/chisel hammer:Installing the spindle1 Install complete spindle assembly (1) into gear box (2) as f

22PAGEINSTRUCTIONSREPAIR58-92-5305 d1Installing the lever1 Install O-Ring (3) into opening of gear box cover (4).2 Squeeze together spring (6) at bott

23PAGEINSTRUCTIONSREPAIR58-92-5305 d1Installing the thrust collar1 Install o-ring (1) onto thrust collar (2).2 Position thrust collar assembly (1,2) i

24PAGEINSTRUCTIONSREPAIR58-92-5305 d1Installing the end cover cap1 Install the following parts:– interlock sleeve (6)– damping ring (5)– damping eleme

25PAGEINSTRUCTIONSREPAIR58-92-5305 d1Installingthe handle1 Press retainers (2) together on both sides and install handle (4).2 Insert screw (1) and sc

3PAGEINSTRUCTIONSREPAIR58-92-5305 d1Removing the spring ring1 Remove both retainers (1).2 Slightly spread spring ring (2) and pull it off the machine

4PAGEINSTRUCTIONSREPAIR58-92-5305 d1Removing the seal retainer1 Remove four screws (1) with a 5 mm hex key. 2 Turn seal retainer (2) 45° and remove it

5PAGEINSTRUCTIONSREPAIR58-92-5305 d1Removing the lever1 Remove adjusting plate assembly (4) from pin (2) located on lever (1). 2 Squeeze spring (5) to

6PAGEINSTRUCTIONSREPAIR58-92-5305 d1Disassembling the spindle as-sembly1 Remove thrust collar (1) from spindle (4). Remove O-ring (2) from thrust coll

7PAGEINSTRUCTIONSREPAIR58-92-5305 d1Removing the piston assembly1 Position piston assembly (5) into the back dead center position.2 Combined drill/chi

8PAGEINSTRUCTIONSREPAIR58-92-5305 d1Disassembling the armature1 Remove three hex head screws (8) from bearing end plate (7) and pull complete ar-matur

9PAGEINSTRUCTIONSREPAIR58-92-5305 d1Removing the lower gear box cover1 Remove two screws (1) and remove lower gear box cover (2).☞The exposed plane su