HEAVY EQUIPMENT CX210B CX210BLR CX210C LC CX210C LR CX210C NLC
CX235C SR CX240B CX240BLR CX250C
The hydraulic pump in a excavator plays a crucial role in powering
the machine's hydraulic system, which is responsible for
controlling various functions and movements of the excavator. Here
are the primary functions of the hydraulic pump in a excavator:
Hydraulic Fluid Flow: The hydraulic pump is responsible for
pressurizing and circulating hydraulic fluid (usually oil)
throughout the hydraulic system. This pressurized fluid is used to
transmit power to various components of the excavator.
Power Generation: The hydraulic pump generates hydraulic pressure
by drawing in hydraulic fluid from a reservoir and then delivering
it at high pressure to the hydraulic circuits. This pressurized
fluid is essential for the operation of various hydraulic
components.
Actuation of Hydraulic Cylinders: The hydraulic pump supplies
pressurized hydraulic fluid to the hydraulic cylinders, which are
responsible for controlling the movement of the excavator's arm,
boom, bucket, and other attachments. The pump's output pressure
determines the force and speed with which these components move.
Control of Excavator Functions: The hydraulic pump enables the
operator to control the excavator's functions, including lifting,
lowering, tilting, and rotating the excavator's arm and bucket. It
also controls the speed and direction of these movements.
Travel Functions: In addition to controlling the attachment
movements, the hydraulic pump also provides power for the
excavator's travel functions, such as driving and steering. It
powers the hydraulic motors that drive the excavator's tracks or
wheels.
Auxiliary Attachments: In many excavators, the hydraulic pump can
also supply hydraulic power to operate auxiliary attachments, such
as hydraulic hammers, grapples, or thumbs. This versatility allows
the machine to perform a wide range of tasks.
Pressure Regulation: The hydraulic pump often includes a pressure
relief valve to ensure that the hydraulic system operates within
safe pressure limits. This valve prevents over-pressurization of
the hydraulic system and protects it from damage.
Control by the Operator: The excavator operator typically has
control over the hydraulic pump's output through the machine's
controls, allowing them to adjust the flow and pressure to perform
different tasks efficiently.
| Pos. | Part No | Qty | Parts name | Comments |
| . . | KRJ10290 | [1] | HYDRAULIC PUMP | SUM Includes All Parts On Figures 08-87 - 08-91 |
| . . | KRJ10290R | [1] | REMAN-HYD PUMP | RAC CX210B CRAWLER EXCAVATOR TIER 3 (NA), PISTON (1/07-) |
| . . | KRJ10290C | [1] | CORE-HYDRAULIC PUMP | RAC Return Number |
| 1 | LJ014510 | [1] | HYDRAULIC PUMP | SUM See Figure 08-88 |
| 1 | LJ014510R | [1] | REMAN-HYD PUMP | RAC CX210B CRAWLER EXCAVATOR TIER 3 (NA), PISTON (1/07-) |
| 1 | LJ014510C | [1] | CORE-HYDRAULIC PUMP | RAC Return Number |
| . . | TJ00765 | [2] | PISTON | SUM Incl. 24, 25 |
| 24 | NSS | [9] | NOT SOLD SEPARAT | CON Piston |
| 25 | NSS | [9] | NOT SOLD SEPARAT | CON Shoe |
| . . | LJ014500 | [1] | BARREL | SUM Incl. 27, 28 |
| 27 | NSS | [1] | NOT SOLD SEPARAT | CON Block, Cylinder |
| 28 | NSS | [1] | NOT SOLD SEPARAT | CON Plate |
| . . | LJ014490 | [1] | BARREL | SUM Incl. 30, 31 |
| 30 | NSS | [1] | NOT SOLD SEPARAT | CON Block, Cylinder |
| 31 | NSS | [1] | NOT SOLD SEPARAT | CON Plate |
| . . | LR00552 | [2] | PLATE | SUM Incl. 33, 34 |
| 33 | NSS | [1] | NOT SOLD SEPARAT | CON Plate |
| 34 | NSS | [1] | NOT SOLD SEPARAT | CON Bushing |
| . . | TNP0022 | [1] | VALVE | SUM Check; Incl. 36 - 38 |
| 36 | NSS | [1] | NOT SOLD SEPARAT | CON Seat |
| 37 | NSS | [1] | NOT SOLD SEPARAT | CON Stopper |
| 38 | NSS | [1] | NOT SOLD SEPARAT | CON Ball |
| . . | TNP0023 | [2] | VALVE | SUM Check; Incl. 40 - 42 |
| 40 | NSS | [1] | NOT SOLD SEPARAT | CON Seat |
| 41 | NSS | [1] | NOT SOLD SEPARAT | CON Stopper |
| 42 | NSS | [1] | NOT SOLD SEPARAT | CON Ball |
| 43 | LJ014460 | [1] | VALVE SECTION | SUM See Figure 08-89 |
| . . | 160161A1 | [2] | LEVER ASSY. | SUM Incl. 63, 64 |
| 63 | NSS | [1] | NOT SOLD SEPARAT | CON Pin |
| 64 | NSS | [1] | NOT SOLD SEPARAT | CON Pin |
| 65 | 160033A1 | [1] | DRIVE SHAFT | SUM |
| 66 | 160034A1 | [1] | DRIVE SHAFT | SUM |
| 67 | LB00535 | [1] | COUPLING | SUM |
| 68 | TB00026 | [2] | BEARING, ROLLER, CYL,40mm ID x 90mm OD x 23mm W | SUM |
| 69 | TB00082 | [2] | NEEDLE BEARING,35 mm ID x 47 mm OD x 30 mm | SUM |
| 70 | 156963A1 | [4] | SPACER | SUM |
| 71 | TR00047 | [2] | PLATE | SUM |
| 72 | 169288A1 | [2] | BUSHING | SUM |
| 73 | 156960A1 | [18] | SPRING | SUM |
| 74 | 160113A1 | [2] | PLATE | SUM Shoe |
| 75 | TPP0080 | [2] | SUPPORT | SUM |
| 76 | 160334A1 | [1] | COVER | SUM |
| 77 | LJ014520 | [2] | HYDRAULIC PUMP | SUM |
| 78 | TJ00067 | [1] | VALVE BLOCK | SUM |
| 79 | NSS | [1] | NOT SOLD SEPARAT | CON Cover |
| 80 | 167078A1 | [8] | BOLT,M8 x 40mm, Cl 12.9 | SUM M8 x 40; 12,9 |
| 81 | 861-8020 | [4] | HEX SOC SCREW,M8 x 20mm, Cl 12.9 | CAS Superseded by part number: 86512138 |
| 82 | 863-10020 | [4] | HEX SOC SCREW,M10 x 20mm, Cl 12.9 | CAS |
| 83 | 155496A1 | [2] | PLUG | SUM |
| 84 | TLM0023 | [2] | PLUG | SUM |
| 85 | 155471A1 | [4] | PLUG | SUM |
| 86 | LK00003 | [27] | PLUG | SUM |
| 87 | TJ00066 | [2] | PISTON | SUM |
| 88 | TG00286 | [2] | STOP LOCK | SUM |
| 89 | 160116A1 | [2] | STOP | SUM |
| 90 | LE01176 | [2] | O-RING | SUM Superseded by part number: 154553A1 |
| 91 | LE013510 | [2] | O-RING | SUM (used under cover on top of pump or under aux gear pump) |
| 92 | LE013500 | [4] | O-RING | SUM |
| 93 | LE013470 | [16] | O-RING | SUM Superseded by part number: LE022170 |
| 94 | LE013410 | [6] | O-RING | SUM |
| 95 | LE013490 | [2] | O-RING | SUM |
| 96 | LE013440 | [4] | O-RING | SUM |
| 97 | LE01177 | [2] | O-RING | SUM Superseded by part number: 154489A1 |
| 98 | LE01178 | [1] | OIL SEAL | SUM Superseded by part number: LE018730 |
| 99 | 153970A1 | [2] | BACK-UP RING | SUM |
| 100 | 154017A1 | [2] | BACK-UP RING | SUM |
| 101 | 164R016VR | [2] | NUT | SUM |
| 102 | 829-1420 | [2] | NUT,M20, Cl 10 | CAS Superseded by part number: 9847024 |
| 103 | 800-1140 | [2] | SNAP RING,M40, Ext | CAS Superseded by part number: 370006 |
| 104 | 156954A1 | [2] | DOWEL | SUM |
| 105 | 338W060Z014B | [4] | LINCH PIN | SUM |
| 106 | 126R010SR | [2] | EYEBOLT | SUM BOLT, EYE |
| 107 | LA00036 | [2] | SET SCREW,Hex | SUM |
| 108 | 160296A1 | [2] | SET SCREW | SUM |
| 109 | NSS | [1] | NOT SOLD SEPARAT | CON Name Plate |
| 110 | LA00027 | [2] | RIVET | SUM |
| Parts alog (CX210B) - CRAWLER EXCAVA | | | | |
Hydraulic pumps and valves are designed precisely to work in a
hydraulic system to meet the prime product requirements for machine
performance, reliability, durability, operating costs and
productivity.
1. The pump and valve parts are built to fit to the genuine
excavator system.
2. The pump parts and valve are supplied strictly according to the
genuine parts alog.
3. All the pump and valve components are manufactured from
carefully selected materials with standard quality using standard
production process heat treatment processes — including
carburizing, nitriding, and induction hardening.
4. Surplus stock and the various varioties of pump parts that cover
excavator. HITACHI KOMATSU HYUNDAI Vo-lvo DOOSAN KOBELCO SUMITOMO
KATO JCB
1. Warranty Period: 3 Months' warranty from the date of arrival.
Longer period of 6 months' warranty could be offered with higher
price level.
2. Warranty type: replacement of the parts that have quality
problem.
3. Warranty is not valid for below s
* Cutomer give wrong information about the order
* Force Majeure
* Wrong installation and operation
* Rust because of wrong stock & maintenance
* Strong carton or wooden box for gear components. Wooden box for
gearbox assembly
* Delivery methods: By Sea, By air to local internation airport, By
express like DHL TNT FEDEX
