Caterpillar Wheel Loader 988H Factory Service & Shop Manual


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Complete workshop & service manual with electrical wiring diagrams for Caterpillar Wheel Loader 988H. 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 988H 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:
RENR6218 – Troubleshooting (988H Wheel Loader Electrohydraulic System)
KENR6328 – Schematic (988H Steel Mill Wheel Loader Electrical System – Attachment)
RENR3079 – Schematic (834H Wheel Tractor, 836H Landfill Compactor & 988H Wheel Loader Electrical System)
RENR5397 – Specifications (988H, 988K, 990H, 990K, 992G, 992K, 993K, 994K Wheel Loaders, 854K Wheel Dozers Automatic Lubrication System (Hydraulic Actuated System))
RENR5397 – Systems Operation (988H, 988K, 990H, 990K, 992G, 992K, 993K, 994K Wheel Loaders, 854K Wheel Dozers Automatic Lubrication System (Hydraulic Actuated System))
RENR5397 – Testing & Adjusting (988H, 988K, 990H, 990K, 992G, 992K, 993K, 994K Wheel Loaders, 854K Wheel Dozers Automatic Lubrication System (Hydraulic Actuated System))
RENR6203 – Specifications (988H Wheel Loader Power Train)
RENR6204 – Systems Operation (988H Wheel Loader Power Train)
RENR6205 – Testing & Adjusting (988H Wheel Loader Power Train)
RENR6205 – Troubleshooting (988H Wheel Loader Power Train)
RENR6206 – Disassembly & Assembly (988H and 988K Wheel Loaders Power Train)
RENR6207 – Disassembly and Assembly (988H Wheel Loader C18 Engine Supplement)
RENR6210 – Specifications (988H Wheel Loader Steering System)
RENR6211 – Systems Operation (988H Wheel Loader Steering System)
RENR6212 – Testing and Adjusting (988H Wheel Loader Steering System)
RENR6213 – Specifications (988H Wheel Loader Braking System)
RENR6214 – Systems Operation (988H Wheel Loader Braking System)
RENR6215 – Testing & Adjusting (988H Wheel Loader Braking System)
RENR6216 – Specifications (988H Wheel Loader Electrohydraulic System)
RENR6217 – Systems Operation (988H Wheel Loader Electrohydraulic System)
RENR6218 – Testing & Adjusting (988H Wheel Loader Electrohydraulic System)
RENR6219 – Schematic (988H Wheel Loader Tier 3 Hydraulic System)
RENR6220 – Specifications (988H Wheel Loader, 834H Wheel Dozer and 836H Landfill Compactor Machine Systems)
RENR6222 – Disassembly and Assembly (988H Wheel Loader Machine Systems)
RENR6223 – Schematic (834H Wheel Tractor, 836H Landfill Compactor and 988H Wheel Loader Electrical System)
UENR0331 – Testing & Adjusting (988H Wheel Loader Electrohydraulic System)
UENR0331 – Troubleshooting (988H Wheel Loader Electrohydraulic System)
UENR0333 – Schematic (834H Wheel Tractor 836H Landfill Compactor 988H Wheel Loader Electrical System)
UENR1249 – Schematic (988H Wheel Loader Tier 3 Hydraulic System)

EXCERPT:
a. Install backup ring (26) and O-ring seal (27) to the retainer. Install the retainer in the valve assembly.
b. Install O-ring seal (29) and backup ring (30).
c. If locknut (34) was loosened, install O-ring seal (32) to the adjustment screw. Install the adjustment screw and tighten locknut (34) to a torque of 44 ± 10 N·m (32 ± 7 lb ft).
d. Install O-ring seal (31) to cap (33). Install cap (33). Tighten cap (33) to a torque of 80 ± 10 N·m (59 ± 7 lb ft).
e. Install O-ring seal (28).