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Complete workshop & service manual with electrical wiring diagrams for Caterpillar Wheel Loader 988B. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
This Caterpillar Wheel Loader 988B service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.
MANUAL LIST:
SEBP1388 – Parts Manual (988B Wheel Loader, Powered by 3408 Engine)
SENR2528 – Disassembly & Assembly (988B & 992B Wheel Loader Operator’s Station)
SENR2624 – Specifications (988B Wheel Loader Power Train)
SENR2628 – Specifications (988B Wheel Loader Steering System)
SENR2630 – Specifications (988B Wheel Loader Brake System)
SENR2632 – Specifications (988B Wheel Loader Hydraulic System)
SENR2635 – Schematic (988B Wheel Loader Hydraulic System)
SENR2636 – Schematic (988B Wheel Loader Electrical System)
SENR7322 – Specifications (988B Wheel Loader Power Train)
SENR7325 – Disassembly & Assembly (988B Wheel Loader Power Train)
SENR7326 – Specifications (988B Wheel Loader Steering System)
SENR7328 – Specifications (988B Wheel Loader Brake System)
SENR7330 – Specifications (988B Wheel Loader Hydraulic System)
SENR7333 – Schematic (988B Wheel Loader Electrical System)
SENR7334 – General Service Information (988B Wheel Loader Operator’s Station)
SENR7334 – Troubleshooting (988B Wheel Loader Operator’s Station)
SENR7498 – Specifications (988B Wheel Loader Brake System)
SENR2625 – Systems Operation (988B Wheel Loader Power Train).pdf
SENR2625 – Testing & Adjusting (988B Wheel Loader Power Train).pdf
SENR2626 – Testing and Adjusting (988B Wheel Loader Power Shift Transmission).pdf
SENR2629 – Systems Operation (988B Wheel Loader Steering System).pdf
SENR2629 – Testing & Adjusting (988B Wheel Loader Steering System).pdf
SENR2631 – Systems Operation (988B Wheel Loader Brake System).pdf
SENR2631 – Testing & Adjusting (988B Wheel Loader Brake System).pdf
SENR2633 – Systems Operation (988B Wheel Loader Hydraulic System).pdf
SENR2633 – Testing & Adjusting (988B Wheel Loader Hydraulic System).pdf
SENR2637 – Systems Operation (988B Wheel Loader Operator’s Station And Electrical System).pdf
SENR2637 – Testing & Adjusting (988B Wheel Loader Operator’s Station And Electrical System).pdf
SENR7323 – Systems Operation (988B Wheel Loader Power Train).pdf
SENR7323 – Testing & Adjusting (988B Wheel Loader Power Train).pdf
SENR7324 – Testing & Adjusting (988B Power Shift Transmission).pdf
SENR7327 – Systems Operation (988B Wheel Loader Steering System).pdf
SENR7327 – Testing & Adjusting (988B Wheel Loader Steering System).pdf
SENR7329 – Systems Operation (988B Wheel Loader Brake System).pdf
SENR7329 – Testing & Adjusting (988B Wheel Loader Brake System).pdf
SENR7331 – Systems Operation (988B Wheel Loader Hydraulic System).pdf
SENR7331 – Testing & Adjusting (988B Wheel Loader Hydraulic System).pdf
SENR7332 – Systems Operation (988B Wheel Loader Power Train).pdf
SENR7332 – Testing & Adjusting (988B Wheel Loader Power Train).pdf
SENR7334 – Electrical Schematics (988B Wheel Loader Operator’s Station).pdf
SENR7468 – Testing & Adjusting (988B Insert_for Use With Steering Tee Test Procedure – I).pdf
SENR7469 – Testing & Adjusting (988B(50W) Insert_ For Use With Flow Meter Tee Test Procedure).pdf
EXCERPT:
There are two different ways to check the accuracy of a temperature gauge:
1. The gauge can be checked with its respective sender in water or oil at a specific temperature.
2. The gauge can also be checked with a specific resistance instead of a sender.
The 2W1091 Coolant Temperature Gauge, the 2W1092 Converter Oil Temperature Gauge and the 2W1095 Hydraulic Oil Temperature Gauge can each be checked with either a 6N5926 Sender or an 8N3844 Sender.
To check the 8N2976 Coolant Temperature Gauge or the 8N2982 Hydraulic Oil Temperature Gauge with a sender, the gauge must have +24 to 28 volts connected between the IGN and GRD terminals; the sender must be in an oil bath (a reservoir of heated oil) at 127°C (261°F) for 7 minutes or more.
The gauge must show a temperature at the last mark on the right hand side (past the 120°C mark).
With the sender in a water or oil bath at 40°C (104°F), the gauge must show a temperature at the first mark on the left hand side (40°C).
To check the 8N2977 Converter Oil Temperature Gauge with a sender, the gauge must have +24 to 28 volts connected between the IGN and the GRD terminals; the sender must be in an oil bath at 160°C (320°F) for 7 minutes or more. The gauge must show a temperature at the last mark on the right hand side (160°C). With the sender in a water or oil bath at 40°C (104°F), the gauge must show a temperature at the first mark on the left hand side (40°C).
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