Ingersoll-Rand ARO EVO EP20 Series, Руководство оператора

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EP20-XXXXX-XXX-XXX (en) Page 35 of 44
Item Description (size) Qty Part No. [Mtl]
128 Plug
(3/8” - 18 NPT)
(1) Y17-52-S [SS]
129 Fitting
(9/16”-18 STOR x 3/8”, 90°)
(1) 98059 [C]
149 Oil Pump Assy
(Item include 150 to 170)
(1) 67558

150 Screw
(M6 x 1 - 6g x 20 mm)
(2) Y256-63-E [C]
 
151 O-Ring
(3/32" x15/16" OD)
(1) Y325-116 [B]

152 Housing, Oil Return (1) 98030 [C]

153 Cylinder, Oil Pump (1) 98028 [C]

154 O-Ring
(3/32” x 1-9/16” OD)
(2) Y325-126 [B]

155 Outlet, Oil Pump (1) 98029 [C]

156 O-Ring
(3/32” x 15/16” OD)
(1) Y325-119 [B]

157 O-Ring
(3 mm x 36 mm OD)
(1) 97872 [B]

158 Plug, Return (1) 96610-1 [C]

159 Piston, Oil Pump (1) 98027 [C]

160 Spring, Piston Return (1) 98033 [C]

161 Wrist Pin Journal
(20 ID x 20 L)
(1) 98051 [Br]

162 Ball (1) Y16-112 [C]

163 Spring, Oil Relief (1) 98034 [C]
Item Description (size) Qty Part No. [Mtl]

164 Plug
(1/8” -18 NPT ) (not shown)
(1) Y17-50-S [SS]

165 O-Ring
(3/32” x 11/16” OD)
(1) Y325-112 [B]

166 Valve (2) 48070 [D]

167 Check Seat (2) 48071 [H]

168 Spring, Poppet Valve (2) 98032 [C]

169 Seat, Spring (2) 98031 [A]

170 Internal Snap Ring
(16 mm)
(2) 97874 [C]
171 Oil Filter ASM (1) 98063 [A]

172 Oil Filter Element
(Aftermarket Only)
(1) 98064
173 Filter Bracket (1) 97957 [C]
174 Screw
(1/4” -20 x 0.5”)
(2) 98211 [C]
175 Screw
(1/4” -20 x 0.5”)
(2) 98211 [C]
176 Fitting
(9/16”-18 STOR x 3/8” )
(2) 98058 [C]
177 Bent Tube, Post Filter
(3/8” OD)
(1) 98050 [SS]
178 Bent Tube, Pre Filter (3/8” OD) (1) 98049 [SS]
179 Fitting
(3/4”-16 STOR x 3/8”)
(1) 98055 [C]
PARTS LIST / OIL PISTON PUMP ASSEMBLY SECTION EP20-XXXXX-XXX-XXX

Indicate parts included in 67558 Oil piston pump replacement assembly.

Indicate parts included in Pump Crankcase Seal Service Kit, see page 32.

Indicate parts included in 637557 Oil and filter replacement kit, and item 200 shown on page 32.
OIL REPLACEMENT
WARNING
Dispose of oil according to any local regulatory requirements.

Remove 3/8” NPT magnetic drain plug (Item - 180), from
Crankcase housing below lowest cylinder.

Clean all foreign particles from the drain plug.

Allow oil to drain from pump Crankcase to an approved
oil container for disposal.

Unscrew Filter element from filter head.

Remove lower cap (Item – 114) for inspection of any oil
leakage and replace the lower shaft seal (Item – 112) ac-
cordingly.

Install new filter element.
1.
Lubricate filter head threads.
2.
Lubricate new oil filter gasket.
3.
Hand screwed filter element to the head fully.
4.
Extra half turn by external mean to make sure there is
no oil leakage during pump operation.
1 2
3 4
+1/2
Figure 16

Refill new oil to the Crankcase housing.
DISASSEMBLY OIL FILTRATION

Ensure oil is drained from Crankcase housing (101) before
disassembly.

Loosen the compression fitting nuts (176, 129, 179) and
remove tubing (177 and 178) from fittings.

Remove the compression fittings (176) from oil filter (172).

Remove the compression fitting (129) from Crankcase cap
(102).

Remove the compression fitting (179) from outlet of pis-
ton pump housing (155).

Unscrew filter element (172) from filter head (171).

Remove oil pump assembly (149).
ASSEMBLY OIL FILTRATION

Reassemble parts in reverse order from the in a sequence
in which they were removed.

Look for deep scratches on surfaces, and nicks or cuts in
“O” rings. Replace with new seals.

Assemble oil pump assembly to the Crankcase housing
(44).

Assemble piston pump assembly (149) to oil pump return
assembly. Ensure O-ring (151) is in place. Secure with
socket head screws (150).

Assemble Filter Head (171) to the oil filter bracket (173)
and secure with hex head screws (174).

Install 3/8" straight compression fittings (176) on both
sides of filter head (172).

Assemble filter element to the filter head.

Assemble 3/8" straight compression fitting (179) to outlet
of oil piston pump (155).

Assemble 3/8" 90 degree compression fitting (129) to ac-
tuator cap (102).

Assemble 3/8” OD metal tubing (177 and 178).