background image

SD7H15 Type C Service Manual
Prepared July 1999 – Application Engineering

12

Service Operations – Shaft Seal

6.

 

Place shaft seal protector sleeve over compressor shaft. Inspect the sleeve
to ensure that it has no scratches and is smooth so that the lip seal will not
be damaged. Make sure there is no gap between the end of the sleeve and
the seal surface of the shaft (Fig.17).

Fig.17 Protector sleeve fitting

7.

 

Engage the lips of the seal removal and installation tool with the slots in
the new lip seal housing. Make sure the lip seal assembly, especially the
O-ring is clean. Dip the entire lip seal assembly, on the tool, into clean
refrigerant oil. Make sure the seal assembly is completely covered with
oil.

8.

 

Install the lip seal over shaft and press firmly to seat. Twist the tool in the
opposite direction to disengage it from the seal and withdraw the
tool.(Fig.18)

Fig.18 Replacement of lip seal

9.

 

Reinstall shaft seal snap ring with internal snap ring pliers. Bevelled side
should face up. (Away from the compressor body). Ensure that the snap
ring is completely seated in the groove.

10.

 

Tap new felt ring assembly into place.

11.

 

Reinstall clutch assembly as detailed in section A.

Summary of Contents for SD7H15

Page 1: ...Sanden SD7H15 Type C Service Manual Date of Issue July 1999 Prepared by Sanden International Europe Ltd SANDEN...

Page 2: ...f the A C system and or the compressor for which this Service Manual is destined Sanden Corporation shall neither assume responsibility nor be kept liable for any loss or damage to the human life or b...

Page 3: ...ed July 1999 Application Engineering 3 Contents Description Page No 1 Cautionary Information 4 2 Compressor Torque specifications 5 3 Service Operations Clutch 6 4 Service Operations Shaft Seal 11 5 S...

Page 4: ...ved by removing the oil plug if necessary or by removing shipping caps pads from both ports 2 Recovery of Refrigerant Never discharge refrigerant to the atmosphere Always use approved refrigerant reco...

Page 5: ...m Armature retaining nut M8 18 0 3 0 Cylinder head bolts 34 0 5 0 Oil filler plug 20 0 5 0 Pad fitting bolt M8x1 25 34 0 4 0 Clutch lead wire clamp screw 1 30 0 3 High pressure relief valve 10 0 2 0...

Page 6: ...re plate spanner into holes of armature assembly Threaded if armature dust cover present 3 Hold armature assembly stationary while removing retaining nut with 14mm socket wrench Fig 1 4 The armature c...

Page 7: ...2 Rotor Assembly Removal 1 Remove rotor retaining snap ring using snap ring pliers Fig 3 2 Remove rotor using Sanden removing tool Fig 4 3 The rotor bearing is not changeable as it is staked into posi...

Page 8: ...driver so that coil wires are free Take care not to round off retaining screw head Fig 6 2 Remove coil retaining snap ring using snap ring pliers Fig 7 3 Remove the field coil assembly 4 Remove the sh...

Page 9: ...y over the front housing boss 3 Place the rotor installer ring into the bearing bore Ensure that the edge rests only on the inner race of the bearing not on the seal pulley or outer race of the bearin...

Page 10: ...re first try 1 0 0 5 and 0 1mm shims Fig 11 2 Reinstall the armature on the splined shaft Manually push the armature down the shaft until it bottoms on the shims 3 Replace retaining nut and torque to...

Page 11: ...led in section A 3 Remove the felt ring assembly using a small screwdriver to pry it out Fig 14 4 Remove seal snap ring with internal snap ring pliers Fig 15 5 Use lip seal removal and installation to...

Page 12: ...new lip seal housing Make sure the lip seal assembly especially the O ring is clean Dip the entire lip seal assembly on the tool into clean refrigerant oil Make sure the seal assembly is completely co...

Page 13: ...ig 20 Fig 19 Removal of cylinder head bolts Fig 20 Removal of cylinder head 5 It is recommended that both the head gasket between the cylinder head and the valve plate and the block gasket between the...

Page 14: ...Removal of valve plate 5 3 Valve plate and cylinder head installation 1 Coat new block gasket with clean refrigerant oil 2 Install block gasket Align new gasket to location pin holes and orifice s Not...

Page 15: ...g 15 Service Operations Cylinder head 8 Install cylinder head bolts and tighten in a star pattern Fig 22 Torque first to approximately 20 0N m then finish by torquing to 34 0 5 0N m Fig 23 Fig 22 Torq...

Page 16: ...SD7H15 Type C Service Manual Prepared July 1999 Application Engineering 16...

Reviews: