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SERIAL NUMBERS and UP This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in accordance with written authorization from Komatsu America Corp. It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to make changes or add improvements at any time without incurring any obligation to install such changes on products sold previously.
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FOREWORD Mark Page Mark Page Mark Page Mark Page 00-2-6 b WB156PS-5 Find manuals at https://best-manuals.com...
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Always keep the tools and parts in work on the oil or coolant systems. their correct places. Always keep the work area clean WB156PS-5 00-3 b Find manuals at https://best-manuals.com...
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16. Never use a welder or machine with a higher voltage to jump-start or supply voltage to a machine with a lower voltage system. Damage to the machine’s electrical system, a fire or an explosion may result. Always stay within the same voltage range as the machine. 00-4 WB156PS-5 Find manuals at https://best-manuals.com...
OTHER This section has the foldout drawings for the machine. NOTICE The specifications contained in this shop manual are subject to change at any time and without any advance notice. Contact your distributor for the latest information. WB156PS-5 00-5...
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(-) and numbered after the page number. File as in the example. Example: 10-4 10-4-1 Added pages 10-4-2 10-5 REVISED EDITION MARK When a manual is revised, an edition mark (b, c, d, etc.) is recorded on the bottom outside corner of the pages. 00-6 b WB156PS-5...
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Sling wire ropes from the middle portion of the hook. Slinging near the edge of the hook may cause the rope to slip off the hook during hoisting, and a serious accident 00-7 b WB156PS-5...
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The range (A – B) from the difference (A) between the minimum size of the shaft and the maximum size of the hole to the difference (B) between the maximum size of the shaft and the minimum size of the hole is the "standard inter- ference." 00-8 WB156PS-5...
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The allowable maximum interference between the hole of a part and the shaft of another part to be assembled is called the "interference limit." • The interference limit shows the repair limit of the part of smaller tolerance. • If the interference between the parts exceeds the interference limit, they must be replaced or repaired. WB156PS-5 00-9...
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Used as sealant for flange surfaces and bolts Gasket seal- at high temperature locations; used to LG-3 790-129-9070 1 kg prevent seizure. ● Used as sealant for heat resistant gasket for high temperature locations such as engine pre-combustion chamber, exhaust pipe. 00-10 WB156PS-5...
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Used for normal temperature, light load SYG2-400CA-A G2-CA Various Various bearing at places in contact with water or SYG2-160CA Grease steam. SYG2- 160CNCA 400 g (10 per ● SYG2-400M Belows type Used for places with heavy load. case) WB156PS-5 00-11...
— White & Red & Yellow & Green & Blue & Color — — Green Green Blue Black Black Code — — — — Yellow & Green & Color — — — Red & Blue — White Blue WB156PS-5 00-15...
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(Fig. 5). • When the hose is pulled back, the rubber cap por- tion moves toward the hose about 3.5 mm (0.14 in). This does not indicate an abnormality, however. 00-16 WB156PS-5...
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(7) to disconnect it (Fig. 8). Connection • Hold the tightening portion and push body (7) straight until sliding prevention ring (6) contacts contact surface (a) of the hexagonal portion at the male end (Fig. 9). WB156PS-5 00-17...
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C. While holding the condition of Steps A and B, pull out whole body (9) to disconnect it (Fig. 12). Connection • Hold the tightening portion and push body (9) straight until the sliding prevention ring contacts surface (b) of the hexagonal portion at the male end (Fig. 13). 00-18 WB156PS-5...
7504 mm (24’7”) Overall width (with bucket) 2356 mm (7’9”) Dumping height (SAE) 3761 mm (12’4”) Backhoe transport height 3676 mm (12’1”) -arm retracted 3747 mm (12’4’’) -with telescopic arm 3746 mm (12’4”) -arm extended 4435 mm (14’7”) 01-2 WB156PS-5...
WEIGHT TABLE WEIGHT TABLE ★ This Weight Table is for reference when handling components or when transporting the machine. Unit: kg (lb) Machine model WB156PS-5 Engine assembly - Muffler and exhaust pipe 394 (869) Radiator 37 (82) Hydraulic oil tank (empty)
The lifting procedure applies to machines with standard specifications. The method of lifting may differ depending on the attachments and options installed. For details about lifting a machine that does not conform to standard specifications, contact your Komatsu distributor. LIFTING POSITION MARKS...
"OPTIONS, ATTACHMENTS" section. Raise and center the backhoe boom and engage the safety cou- pling. Press the work equipment control switch until the light on the switch is illuminated indicating the front and rear work equipment controls are locked. 01-10 WB156PS-5...
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