Atlas Copco PHE 45 S - Page 6

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Repair Instructions No.189.03/01
PHE 45 S
Dismantling the
reduction gear
1
Loosen two screws (H).
2 Remove the bearing (G) and the reduction
gear shaft assembly (E).
☞
If necessary, expel the reduction gear
shaft assembly (E) with aid of a plastic
hammer.
3 Depress the bevel gear (4) with aid of the
(dis-) assembly tool (service tool). Keep it
depressed and remove the locking ring (5)
with aid of special pliers.
4 Remove the bevel gear (4), the ball bear-
ings (3 and F), the needle bear-
ings (7 and 2), the coupling (1), the back-
ing flange (8), the pressure spring (9), the
coupling sleeve (A), the coupling (B), the
balls (C), the indexing sleeve (D) from the
reduction gear shaft (E).
Dismantling the
crank assembly
1 Turn the crank gear (3) until the piston (5)
is located in the back dead centre.
2 Slightly lift the connecting rod (7).
3 Turn the crank gear (3) until it can be re-
moved from the crankcase (1). Remove it
together with the connecting rod (7), com-
pletely with piston (5) and O-ring (4).
☞
Do not apply any force! Do not jam the
piston (5) and the connecting rod.
4 Pull out the needle bearing (2) with an in-
terior extractor (9) in direction of arrow
(see illustration below).
5 Press the pin (6) from the piston (5) and
remove the piston (5).
6 Push the needle bearing (8) from the con-
necting rod (7).
D
1
6
5
4
3
2
7
8
9
A
B
C
E
F
GH
10
2
3
4
5
6
1
7
8
9
2
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