hammer drill dh 30pc/dh 30pb

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hammer drill dh 30pc/dh 30pb | Manualzz

(4) Reassembly of the striking mechanism section

Be careful not to mistake the direction of the Second Hammer [68] <58>. When reassembling the Stopper

Ring [72] <62> and the Retaining Ring for D34 Shaft [79] <69>, ensure that they are fitted on parts.

Apply special grease (FG-6A) to O-ring (B) [67] <57> of the Second Hammer [68] <58>, the O-ring [64] <54> of Retainer Sleeve (A) [66] <56>, the inner D25 of the Cylinder [74] <64>, the inner portion of the Oil Seal [15]

<15>, the inner portion of the Connecting Rod Ass'y [85] <75> and the O-rings [81] <71> of the Striker [80]

<70> and of the Piston [83] <73>.

Apply grease DUBREX No. 251 to Washer (A) [73] <63>, the sliding portion of Retainer Sleeve (B) [24] <24> and the inner D29 of the Cylinder [74] <64>.

O-ring [64] <54>

Stopper Ring [72] <62>

Retainer Sleeve (A) [66] <56>

Second Hammer [68] <58>

SR30

FLAT

O-ring (B) [67] <57>

Hammer Holder [69] <59>

Damper Holder [71] <61>

Damper [70] <60>

Fig. 13

(5) Lubrication

Insert 10 g of special grease into the Cylinder Case [12] <12> (outside the Cylinder [74] <64>), and 30 g into the Crank Case Ass'y [51] <41> (Connecting Rod Ass'y [85] <75> side). Insert 30 g of grease Hitachi Motor

No. 29 into the Crank Case Ass'y [51] <41> (First Gear [58] <48> side).

9-3. Screw Locking Agent TB1401

Apply screw locking agent TB1401 to all hex. socket hd. M4 and M5.

Note: If bolts are loosened by vibration, it could cause damage to the body. Ensure without fail that screw locking

agent is applied to threaded portions prior to assembly.

9-4. Tightening Torque

(1) Screw M4

(2) Screw M5

(3) Hex. socket hd. bolt M4

(4) Hex. socket hd. bolt M5

(5) Hex. socket hd. bolt M5 mounted housing (35L)

(6) Tapping screw D4

(7) Tapping screw D5

2.0 0.5 N

3.4 0.5 N

4.4 0.5 N

2.9 0.5 N

• m (20 5 kgf m (35 5 kgf m (45 5 kgf m (30 5 kgf

• cm) cm) cm)

5.0 + 2.0/0 N

• m (50+20/0 kgf

• cm)

3.4 + 1.5/0 N

• m (35+15/0 kgf

• cm)

2.0 0.5 N

• m (20 5 kgf

• cm) cm)

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