hammer drill dh 30pc/dh 30pb

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hammer drill dh 30pc/dh 30pb | Manualzz

9-2. Reassembly

Reassembly can be accomplished by following the disassembly procedures in reverse. However, special attention should be given to the following items. Do not reuse the disassembled retaining rings and stopper rings.

Use the new retaining rings and stopper rings at reassembly.

(1) Reassembly of the third pinion

[DH 30PC]

Press the Ball Bearing 6901DDC3PS2-L (EC) [36] of the Third Pinion [35] into the Crank Case Ass'y [51].

Never press the Third Pinion [35]. Do not mistake Clutch Spring (B) [38] for Clutch Spring (A) [55]. Be careful not to mistake the turn of the Second gear [41]. Apply grease DUBREX No. 251 to the inner circumference of

Clutch (B) [39] and of the Second Gear [41], the outer circumference of the Shift Guide [45], and the portion of Clutch (B) [39] engage with the Second Gear [41].

[DH 30PB]

Press the Second Gear <34> of the Third Pinion <31> into the Crank Case Ass'y <41>. Never press the Third

Pinion <31>. Need not use the Retainer Ring D20 in case of DH 30PB.

(2) Reassembly of the crank shaft

Apply special grease (FG-6A) to the inner circumference of Oil Seal (B) [52] <42>. When the Crank Shaft [50]

<40> is press-fitted in the Ball Bearing 6002VVCMPS2L [53] <43>, hold the Ball Bearing 6002VVCMPS2L

[53] <43> directly. Do not hold the Crank Case Ass'y [51] <41>. Reassemble Clutch Spring (A) [55] <45> and Clutch (A) [56] <46>, and move the Shift Lever [29] <29> to the "Rotation only" position with the removed

Change Lever [26] <26>. If the Shift Lever [29] <29> is stiff, apply Hitachi Motor grease No. 29 to O-ring (B)

[30] <30> mounted on the Shift Lever [29] <29>.

Apply grease DUBREX No. 251 to the inner circumference of Clutch (A) [56] <46> and of the First Gear [58]

<48>, the gear portion of the First Gear [58] <48> and the portion of Clutch (A) [56] <46> engage with the

First Gear [58] <48>.

(3) Gear Cover Ass'y

Press-fit the Needle Bearing (HK0810) [61] <51> of the Gear Cover [63] <53> aligning it with the joint surface of the Crank Case Ass'y [51] <41>. Apply grease DUBREX No. 251 to the inner portion of the Needle Bearing

(HK0810) [61] <51>. Be careful not to mistake the turn of the Packing Washer [91] <81>.

Felt Packing [90] <80>

Packing Washer [91] <81>

Gear Cover [63] <53>

Needle Bearing (HK0810) [61] <51>

Ball Bearing 6001DDCMPS2L [92] <82>

Fig. 12

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