ARIMITSU 511 Installation And Start-Up Information - Page 3
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Valve Service follow steps 1 – 7, & 13 - 19
10. Insert Wave Washer, Spreader, V packing, (and back-up ring
for Model 516) into Seal Chamber of manifold. The Vacuum
Seal can be installed by squeezing and fitting into inside
groove of Seal Retainer. Be sure to install Vacuum Seal with
"u" of seal facing towards V packing.
11. Replace O-Ring (included in Seal Kit) around outside of
Seal Retainer.
12. Lightly lubricate seal bore and insert Seal Retainer. Even
force will allow Seal Retainer to slide into position.
13. Place Manifolds together. Manifold Dowel Pins will guide the
2 Manifolds together. Note: To insure Manifold O-Ring
remains in position during servicing, re-install and hold in
place with grease.
14. Replace 8 outer bolts and tighten finger tight.
15. Lightly lubricate Plungers and carefully slide Manifold
Assembly over Plungers until it contacts Crankcase
Assembly.
Pump
3 Series
5 Series
7 Series
11 Series
(model 508 & 511)
Item
Valve Plug
Manifold Bolts
Connecting Rod
Plunger Retainer
Manifold Bolts
Connecting Rod
Plunger Retainer
Outer Manifold Bolts
Inner Manifold Bolts
Connecting Rod
Plunger Retainer
Manifold Nuts
Connecting Rod
Plunger Retainer
16. Replace center 4 bolts and torque to specifications listed in
torque chart below. Note: Bolts should be tightened following
the standard practice of an X pattern around Manifold
Assembly.
17. After the center 4 bolts are torqued, tighten 8 outer bolts to
torque to specifications listed in torque chart below. Use
standard practice of X pattern for these bolts as well.
18. Crankshaft should turn with minimal effort by hand when
service is complete. Check/add crankcase oil to proper level
on dipstick before operation. Arimitsu oil (PN30103).
Pump
Model
508
511
516
TORQUE CHART
Thread
Tool Size (P/N)
22mm
8mm
6mm
5mm
8mm
6mm
5mm
8mm
10mm
6mm
5mm
12mm
8mm
5mm
KIT REFERENCE CHART
Inlet
Outlet
Kit
Kit
30111
30112
30111
30112
30101
30101
in lbs
24mm Hex
475
6mm Allen
215
10mm Hex
95
4mm Allen
60
6mm Allen
215
10mm Hex
95
4mm Allen
60
6mm Allen
215
8mm Allen
475
10mm Hex
95
4mm Allen
60
19mm Hex
695
13mm Hex
215
4mm Allen
60
(model 516)
Seal
Kit
30110
30120
30100
Torque
ft. lbs.
Nm
40
53.9
18
24.5
8
10.8
5
6.9
18
24.5
8
10.8
5
6.9
18
24.5
40
53.9
8
10.8
5
6.9
55
78.5
18
24.5
5
6.9