SPRING-VALVE 9L9188 - Caterpillar

Marine Auxillary Engine3512C (S/N: SLM1-UP)Pipelayer587R (S/N: BXL1-UP)587T (S/N: FAT1-UP)PL83 (S/N: KSD1-UP)PL87 (S/N: KKJ1-UP)Rotary DrillMD6240 (S/N: DR21-UP)MD6290 (S/N: DR31-UP)MD6420 (S/N: DR41-UP)Track Loader953C (S/N: BBX2000-UP)963C (S/N: BBD1-UP; 2DS1-UP)973C (S/N: BCP1-UP; LDX1-UP; 3RZ1-UP)Track-Type TractorD3G (S/N: CKA1-UP; CLB1-UP; CFC1-UP; CFF1-UP; JMH1-UP; ZDN1-UP; BYR1-UP; CXT1-UP)D4G (S/N: FDC1-UP; HYD1-UP; CFN1-UP; TLX1-UP)D5G (S/N: WGB1-UP; RSC1-UP; CLF1-UP; RKG1-UP; FDH1-UP; DKT1-UP; CLW1-UP; FDW1-UP)D6N (S/N: DJA1-UP; JAH1-UP; CBJ1-UP; CCK1-UP; CBL1-UP; AKM1-UP; CCS1-UP; ALY1-UP; DJY1-UP)D6T (S/N: JHB1-UP; ZEB1-UP; SMC1-UP; JWD1-UP; LBD1-UP; LAE1-UP; DJG1-UP; WCG1-UP; WFH1-UP; LKJ1-UP; SNK1-UP; KJL1-UP; SKL1-UP; GCT1-UP; RLW1-UP; LAY1-UP; PEZ1-UP)D8N (S/N: 5TJ1-UP; 7TK1-UP)D8R (S/N: MEJ1-UP; RJM1-UP; 7XM1-UP; 9EM1-UP; T5X1-UP; 6YZ1-UP)D8R Series II (S/N: AKA1-UP)Vibratory CompactorCB-434B (S/N: 6AL87-UP; 7YN114-UP)CB-434C (S/N: 4DN172-UP; 4MW1-UP)CB-523B (S/N: 7FK1-UP)CB-525B (S/N: 1NL1-UP)CB-534B (S/N: 4JL330-UP; 5RN114-UP)CB-534C (S/N: 4JL330-UP; 5HN187-UP; 1WS1-326)CB-535B (S/N: 3AR122-UP)CB-544 (S/N: 8FM1-UP)CB-634C (S/N: 3BR138-555)Wheel Dozer854G (S/N: 1JW1-UP)Introduction
Table 1
Revision Summary of Changes in REHS1515
16 Added new Rotary Drill serial number prefixes DR2, DR3, and DR4 to document.
15 Added part number 474-2257 Piston Pump Gp to document.
Added part number 480-2313 Piston Pump Gp to document.
14 Added part number 465-2615 Piston Pump Gp to document.
13 Added new Track-Type Tractor prefixes MEJ and RJM to document.
Added part number 421-1808 Piston Pump Gp to document.
12 Added new Track-Type Tractor prefix T5X to document.
11 Updated Introduction. © 2016 Caterpillar All Rights Reserved. This guideline is for the use of Cat dealers only. Unauthorized use of this document or the proprietary processes therein without permission may be violation of intellectual property law. Information contained in this document is considered Caterpillar: Confidential Yellow.This Special Instruction includes test procedures for piston pumps. This Special Instruction also provides specifications. The technician should have a good understanding of hydraulic piston pumps. The technician should be educated in the operation of the hydraulic test bench. The test benches in this document are available through the Caterpillar Service Tool Division. Gather all necessary tooling before you need to hook up the pump. Some of the required tooling appears in a table at the end of this document. There are many possible variations of tooling that could be used. Not every possible variation can be listed.For questions or additional information concerning this guideline, submit a feedback form in the Service Information System website. In order to address an urgent need, use the following to relay your request to Caterpillar Repair Process Engineering:
Cat Dealer Technical Communicator
Dealer Solution Network
Cat Technical Representative
Knowledge Network (online)Canceled Part Numbers and Replaced Part Numbers
This document may not include all Canceled part numbers and replaced part numbers. Use NPR on SIS for information about Canceled part numbers and replaced part numbers. NPR will provide the current part numbers for replaced parts.Safety
Illustration 1 g02139237
Personal injury or death can result from improperly checking for a leak.Always use a board or cardboard when checking for a leak. Escaping air or fluid under pressure, even a pin-hole size leak, can penetrate body tissue causing serious injury, and possible death.If fluid is injected into your skin, it must be treated immediately by a doctor familiar with this type of injury.
Hot oil and hot components can cause personal injury. Do not