Hydraulic Pump Assembly - Scag Power Equipment STC Operator's Manual

Section 8
Ref. Part
No. No.
1 HG 70516
2 HG 70573
3 HG 50641
4 HG 50969
5 HG 51232
6 HG 2513027
7 HG 50273
8 HG 9004101-1340 O-Ring
9 HG 50095
10 HG 2513030
11 HG 70521
12 HG 50315
13 HG 51161
14 HG 50329
15 HG 50951
16 HG 70331
17 HG 2003014
18 HG 2003017
19 HG 51444
20 HG 2003087
21 HG 50551
22 HG 2003005
23 HG 2000015
24 HG 2510062
25 HG 70403
26 HG 2513043
27 HG 9005110-4400 Straight Thread Plug
28 HG 50408
29 HG 70525
30 HG 70589
* Common hardware which should be purchased locally. All bolts Grade 5 plated, all other fasteners zinc plated.

HYDRAULIC PUMP ASSEMBLY

Description
Housing Kit
End Cap Kit
Straight Headless Pin
Hex Flange Bolt, M8-1.25 x 60mm
Housing O-Ring
Charge Pump Kit
Gerotor Assembly
Socket Head Screw, M6 x 1.0-20mm
Bypass Valve Kit
Pumpshaft Kit
Ball Bearing, 17 x 40 x 12
Lip Seal
Retaining Ring
Spacer
Cylinder Block Kit
Block Spring
Block Thrust Washer
Valve Plate
Swash Plate
Ball Thrust Bearing
Trunnion Arm
Slot Guide
Check Valve Kit (.024" Orfice) port "A" on Left Hand Pump, port "B" on Right Hand Pump
Charge Relief Kit
Trunnion Seal with Retainer
Straight Headless Pin
Overhaul Seal Kit
System Check Relief Kit, port "B" on Left Hand Pump, port "A" on Right Hand Pump
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